Tone is great, a bit deeper than stock and nice and quiet when cruising through the neighborhoods. Choice of Polished or Burnt Titanium tips. Civic Si 8th/9th , Pictures, Video The perfect combo. Not officially associated with or endorsed by Honda Motor Co, Inc. Blending a high flow, large diameter polished piping design with a full canister, continuous flow muffler, Invidia's Q300 system is one of the most powerful street oriented systems available. All Rights Reserved. Honda Civic Rs. Coupe. Invidia Civic Type-R FK8 Q300 Cat-Back Exhaust System with Titanium Burnt Tips; 2017-2020. Cant wait til its fully broken in. $ 905.00 $ 1,183.59 Customer service was a 10!! Also very good. hardmotion.com Invidia Q300 Exhaust 12-15 Honda Civic Si … C $822.27. Just finally installed my Invidia N1. 2006-2011 Honda Civic Si Cat Back Exhaust; 2006-2011 Honda Civic Si Coilover Kits; 2006-2011 Honda Civic Si Cold Air Intakes; 2006-2011 Honda Civic Si Headers; 2006-2011 Honda Civic Si Lowering Springs; 2012-2015 Honda Civic Si Performance Parts . Mike was a huge help. BEST QUALITY for exhaust ! Brand New. We rate this exhaust as one of the lower noise levels, this is one of the most popular exhaust due to this fact. Category. ... Invidia Q300 Turbo Back Suit 2017 Honda Civic Type … Muffler looks gorgeous (even with stainless tip). AND EVEN BETTER WAS FAST SHIPPING! Absolutely love the exhaust! It has optimum size (66mm inner diameter) - which is enough for most modified SIs (to gain hp). Enjoy the new sound/gains ;)My IG: www.instagram.com/thatwhitefa5 I did a lot of research about this versus other exhaust systems like the Invidia N1 and the Full Race exhaust and for the value I went with the Q300. Yes, please add part number TS-EH-301 (+$49.99) Select an option... S p o n s T o 0 r e G d E B 8 L Y K K G. FOR 06-11 CIVIC SI … No tune yet, so a very basic setup as of writing. Perfect for guys who want to keep a mature car note. Picked up an Invidia Q300 Catback Exhaust System for my 8th Gen Civic Si off of a subscriber! The Invidia Q300 for the 2006-2011 Honda Civic Si, this is a twin loop stainless steel cat-back (full) exhaust system that has superb quality and fitment. The Invidia Race Header 06-11 Honda Civic Si, this header is a very high quality header made by the company Invidia. TIP CAT-BACK; Pipe Diameter: 70mm; Tip Diameter: 110mm; for a 2012-2015 Honda Civic Si Sedan. Buy Invidia (HS06HC4G3T) Q300 70mm Cat-Back Exhaust System with Titanium Rolled Tip for Honda Civic Si Sedan: Cat-Back Systems ... ACUITY Shifter Base Bushings for the 8th Gen Civic (2006-2012, mt only) 4.8 out of 5 stars 56. Invidia HS06HC4G3T 06+ Civic Si 4dr Q300 Titanium Tip Cat-back Exhaust. Free postage. Like the 8th Gen, there is a bit more room underneath the 9th Gen Civic chassis, so we used the additional space to install a large resonator that helps reduce the noise level and smooth out the sound. $29.00. Honda Civic Si 8th/9th Gen. 3K likes. 70mm Piping Diameter, 110mm Diameter Tip. 8th gen civic si coupe. If you're trying to stay lowkey but move beyond stock, this is where it's at. Invidia Race Header 2006-2011 Honda Civic Si V2.0. … Fitment was perfect, welds amazing, sound is great. Past Civic:2013 SI RV6 Downpipe,Invidia Q300 Flash Pro tuned ... As a former 8th gen SI with FlashPro owner, it was the best for that car. It has a meaty feel, and I've felt a difference with the ol' butt dyno when I let vtec open up. The exhaust is 2.75 inches or 70MM providing excellent flow for N/A or boosted applications. Moderate loud. Invidia Q300 is a best catback exhaust for Civic SI. Invidia Q300 Exhaust WRX / STI 2011-2014 Sedan Invidia produces high performance parts for today's hottest tuner cars. ... 19394 2017-2019 HONDA Civic SI 1.5L Magnaflow Cat-Back Exhaust System. 10th Gen Civic (2016-2020) Invidia Q300 Exhaust (HS12HC2G3S) Invidia HS12HC2G3S Q300 Exhaust - CIVIC SI COUPE Q300 ROLLED S.S. From United States. I hear everyone say how they think it's loud and sometimes too loud. Selected category All. INVIDIA GEMINI R400 Catback Exhaust Civic 17-20 *Si Sedan* Dec 15 2020, 1 set in stock 416 335 6214 Jspec performance 11 to 7 pm $1180 Item Description: BRAND NEW IN BOX - InvidiaGEMINI Cat-back exhaust system Front Pipe Application: 17-20Honda Civic Si Sedan -Center Exhaust Exit Item: HS17CS47GM3ST- Catback Piping Dia. It sounds just awesome. There is a noticeable drone in the 3k-4k operating range, but even with a stock radio, you can offset that by turning up the volume slightly. Race-style resonator (yields the most power). Invidia. Get this exhaust you wont regret it! Image(s) for display purposes only. If you want a mature exhaust note for your Si, look no further and get the Q300. Full T304 polished stainless construction. CNC made flanges are then robotically TIG welded to give exceptional fitment and durability. Paired with a great price and a great looking angle rolled tip this is an excellent choice for many, especially those most who desire sleeper exhaust notes. Before I get to far into the review, my current setup on my 09 FA5 consists of a K&N Short Ram Intake, stock headers and now an Invidia Q300. Acura 01-06 RSX DC5 Invidia EXHAUST MANIFOLD; Honda Civic Si FG2 / FA5 3″ Cat-back V-band Exhaust System; Invidia 00+ Honda S2000 70mm Test Pipe; Invidia 2002-06 RSX Type-S Q300 Cat-Back Exhaust Polished Tip; Invidia Catted Divorced Wastegate Downpipe w/ 2 Bungs 2008-2014 WRX / 2008-2017 STI / 2005-2009 LGT MT / 2009-2013 FXT Def felt a power increase, took it to the dyno and it added on about 7hp for me. Full Forum Listing. Please select an application to view specific information, pictures, and pricing for Invidia Q300 Exhaust System. SEGMENTO. Actual product may vary. This exhaust comes in either stainless tip or the burnt titanium tip. 2 product ratings - INVIDIA 12-13 Civic Si 2D Q300 Catback Exhaust FG4 70mm. Read honest and unbiased product reviews from our users. Invidia HS12HC4G3S Q300 Exhaust - CIVIC SI SEDAN Q300 ROLLED S.S. It's beautiful. Starting at $107/month with . Sem categoria Those engines responded so well to H/I/E upgrades and FP just helped the engine run so much better, I hope the same is true for the 10th gen. Thanks Hardmotion! AU $300.00. Asking all Invidia N1 owners, to start, I have a 2013 si sedan. Come Join the club! 2. 9th Gen Civic SI Invidia Q300/Skunk2 Down Pipe Package. hardmotion was extremely fast shipping it out. Include description. Some short Videos from my Civic Si with my new Invidia Q300 Ex... Invidia q300 exhaust on my Honda Civic Si 2008, Get the latest updates on new products and upcoming sales, © 2021 HARDmotion - Hyper Auto Racing Development, Invidia Q300 Exhaust 06-11 Honda Civic Si 8thcivic Coupe & Sedan, Adding to cart… The item has been added, NRG Floor Mats 06-11 Honda Civic (Coupe & Sedan), Invidia N1 Exhaust System 2012-2015 Honda Civic Si - (Coupe & Sedan), Invidia N1 Exhaust System 2006-2011 Honda Civic Si – (Coupe & Sedan), Invidia Q300 Exhaust 12-15 Honda Civic Si 9thcivic Coupe & Sedan, Invidia Race Header 06-11 Honda Civic Si (HS06HC2HDP), Full-Race 06-11 Honda Civic Si Catback V-Band Exhaust System 76MM / 3.0inch, Skunk2 Alpha Header 06-11 Honda Civic Si - k20z3 fa5 fg2, PLM 06-11 Honda Civic Si 4-2-1 Race Header - 8th Gen K-Series 2006-2011, Hybrid Racing 06-11 Honda Civic Si Cold Air Intake - CAI 8th gen fa5 fg2 k20z3, Thermal R&D Turbo Exhaust 06-11 Honda Civic Si, CT-Engineering SuperCharger Kit for 2006-2011 Civic Si - 8th gen k20z3, K-Tuned Exhaust System 2006-2011 Civic Si Coupe & Sedan. HM guys are the best in the biz! The owner says he needs to sell the car before leaving for military service in December. If you're looking for something to catch attention, personally I'd say look elsewhere. The start of the Invidia Q300 exhaust is polished SUS304 stainless steel which is mandrel bent in Invidia's state of the art production facilities. I freakin love this exhaust!!! Major improvement over the oem exhaust. This exhaust is very quiet for an aftermarket catback, but it's exactly what I wanted. Invidia 12+ Honda Civic Si Q300 Rolled Stainless Steel Tip Cat-back Exhaust Skunk2 12+ Honda Civic Si Alpha Downpipe These are the parts that We have paired together with great success. Honda Civic - 2012 to 2015 - 4 Door Sedan [Si] (Polished Stainless Steel Tip) Invidia Q300 Exhaust System More Info: THIS ITEM IS CURRENTLY OUT OF STOCK WITH NO ESTIMATED SHIP DATE. Related: invidia q300 wrx invidia q300 s2000 invidia q300 civic si invidia q300 sti invidia q300 2009 honda civic si 2.0l invidia q300 subaru invidia n1 invidia q300 2014 honda civic si 2.4l invidia q300 lexus invidia q300 fk8 invidia exhaust invidia q300 g37. Ordered mine and got here 2 days later, installed it in about 1 hour at home with basic tools. Email: customercare@procivic.com. AU $700.00. Overall, I love the way the exhaust sounds and looks. Value for money. FAST Shipping! Had a professional install it and it sounds amazing! If you're looking for a little more performance and price isn't an issue, I'd look into the Full Race. The sound on these are just so "Honda" it doesnt take over your car with an overly loud or ricey exhaust note as people like it call it. Find helpful customer reviews and review ratings for Invidia (HS06HC4G3T) Q300 70mm Cat-Back Exhaust System with Titanium Rolled Tip for Honda Civic Si Sedan at Amazon.com. Shipping took a while because they were on backorder but it was shipped in perfect condition. Buy It Now +C $126.44 shipping. The only things he’s done to the car is put in BC racing coilovers and a Invidia q300 cat-back exhaust, everything else is stock. Model #: HS17CTRFQ33ST. Selling an SY1M 6 speed manual transmission with LSD from a 2014 9th Gen Civic Si! That said, I wanted to go with an exhaust that would be a step up from stock, yet quiet enough not to draw undue attention. *Shipping Available* Has only 102k km and was pulled from a running driving car! I will definitely use this site for future mods. CATALOG # 001087075. Perfect to replace a damaged/worn transmission or to use for a swap. I wanted an exhaust that wasn't obnoxious but made my 8th-Gen Si sound better than stock. Got my exhaust, love it. Sound is pure amazing. Invidia Q300 Exhaust System for 2021 Honda Civic, Invidia Q300 Exhaust System for 2020 Honda Civic, Invidia Q300 Exhaust System for 2019 Honda Civic, Invidia Q300 Exhaust System for 2018 Honda Civic, Invidia Q300 Exhaust System for 2017 Honda Civic, Invidia Q300 Exhaust System for 2015 Honda Civic, Invidia Q300 Exhaust System for 2014 Honda Civic, Invidia Q300 Exhaust System for 2013 Honda Civic, Invidia Q300 Exhaust System for 2012 Honda Civic, Invidia Q300 Exhaust System for 2011 Honda Civic, Invidia Q300 Exhaust System for 2010 Honda Civic, Invidia Q300 Exhaust System for 2009 Honda Civic, Invidia Q300 Exhaust System for 2008 Honda Civic, Invidia Q300 Exhaust System for 2007 Honda Civic, Invidia Q300 Exhaust System for 2006 Honda Civic. Q300 systems work great on NA (naturally aspirated) and forced induction vehicles alike due to the optimized piping diameters for maximum power production with a daily driver friendly exhaust note. Recently purchased for my FA5 Civic SI. 4. The exhaust is 2.75 inches or 70MM providing excellent flow for N/A or boosted applications. CNC made flanges are then robotically TIG welded to give exceptional fitment and durability. Copyright © 2005-2021 Pinpoint Commerce LLC. Have Questions? i just installed the Invidia q300 catback on my 2010 civic si coupe so i wanted to make a writeup for anyone who is interested in it. Free postage. Sale. I have looked a lot into 8th gen Si’s but … Invidia Q300 Exhaust system for the 12-15 Civic Si 9th Gen. Coupe and Sedan, free shipping, best pricing! Lastly, the Q300 exhaust muffler is … 3. Thank you! The sound is smooth and aggressive but quiet when going easy on it. Pair this with a nice intake and your car will sound absolutely beautiful. But to me, it … Invidia (HS12HC4G3S) Q300 Cat-Back Exhaust System with Stainless Steel Rolled Tip for Honda Civic Si Sedan. Invidia produces very high quality products at a very affordable price. Call or email us for prompt and friendly (Triple Burnt Titanium Tips) (Includes Front Pipe). Bolt-on oem like fitment, install is quick and easy, this exhaust runs directly from the header all the way back. Phone: 877-762-4842, Quietest Exhaust for the 8th Gen CivicWonderful sound under wide open throttleStainless Steel ConsutrctionTwin Loop Internal Muffler2.75 Inch or 70MMStainless or Titanium TipFull-Exhaust all the way back from headerWorks with oem and any aftermarket exhaust, Sedan [4door] or Coupe [2door] Stainless Or Titanium Tip. 06-11 Coupe Si: Titanium: HS06HC2G3T Stainless: HS06HC2G3S06-11 Sedan Si: Titanium: HS06HC4G3T Stainless: HS06HC4G3S, Available for: 2006 2007 2008 2009 2010 20118th generation Honda Civic Si w/ k20z3 motor fa5 fg2 chassis. TIP CAT-BACK; Pipe Diameter: 70mm; Tip Diameter: 110mm; for a 2012-2015 Honda Civic Si Coupe. Most original images and artwork © Pinpoint Commerce LLC; other images are copyright of their respective owners. With noticeable power gain and great sound q Definitely the quietest exhaust out but it sounds so good when you step on it. After spending a few hours with videos and personal reviews, I opted to go with the Q300 because it met what I was looking for. Fitment was perfect and install was fast and no nonsense. :70mm Tips Dia. SEE DETAILS Includes: (1) Hasport 70a Mount Kit - 499.00 (1) Exedy Stage 1 Clutch - 329.79 (1) Exedy Lightweight Flywheel - 292.93 (1) Full Race Exhaust - 649.00 Blending a high flow, large diameter polished piping design with a full canister, continuous flow muffler, Invidia's Q300 system is one of the most powerful street oriented systems available. Can't go wrong with either one. The start of the Invidia Q300 exhaust is polished T304 stainless steel which is mandrel bent in Invidia's state of the art production facilities. Invidia Q300 Exhaust System Description. From United States. February 23rd, 2021. ... We’re a community for 8th Gen 2006 - 2011 Civic owners to discuss performance mods, body kits, Si models, turbo kits and accessories. This exhaust comes in either stainless tip or the burnt titanium tip. The Invidia Q300 for the 2006-2011 Honda Civic Si, this is a twin loop stainless steel cat-back (full) exhaust system that has superb quality and fitment. Honda Civic 8th Exhaust System. C $920.52. This muffler uses a flat bottom design to maintain ground clearance on lowered cars, high absorption Advantex packing for a deep sporty tone, and dual walled titanium or stainless tips to dress up the appearance of your Honda Civic. Fast shipping and fast response on questions and concerns. We used large diameter 3" mandrel-bent piping, that really is 3" in diameter when measured, to make sure exhaust gases exit quickly. help. $1,215.20. Free Shipping. Sporty. 1. Will fit any 9th Gen Civic Si from 2012-2015, and will fit an 8th Gen with some work as well. 4130 Fabrication 9th Gen Civic SI Exhaust and Down Pipe Package includes the following. It sounds great, nice deep tone. I personally don't feel that the exhaust is toooo loud... On the outside. The exhaust works with both oem and aftermarket headers. Subscribe! One of the quietest exhausts you will find for the 06-11 8th generation Civic Si, it provides a sporty & smooth tone that opens up under full throttle. Invidia Q300 76mm Titanium Tip Cat-back Exhaust | 2011-2014 STI/WRX Sedan Only. Past Civic:2013 SI RV6 Downpipe,Invidia Q300 Flash Pro tuned Present Accord 2016 Sport.Tint and sport grill Present Civic:2016 EX … LOJAS AS MELHORES LOJAS PRA VOCÊ E SUA FAMÍLIA. Just gotta spray the oem bolts down and let it sit. Best price and fastest shipping from these guys. Couldn't be happier. AU $1,650.00. Askin $1,399 obo. :101mm *WE ARE INVIDIA … This 4-2-1 polished stainless steel header is built to last and built to produce power from low-high rpms. Lastly, the Q300 exhaust muffler is added to finish the exhaust off. Personally, I feel that it's not that much louder than stock. Def felt a power increase, took it to the dyno and added! Invidia Civic Type-R FK8 Q300 Cat-Back exhaust System, look no further and get the Q300 boosted! Exhaust off has Only 102k km and was pulled from a running driving car parts today. This with a nice intake and your car will sound absolutely beautiful into the Full Race running car!, Inc 19394 2017-2019 Honda Civic Si from 2012-2015, and will fit any Gen!, install is quick and easy, this is one of the lower noise levels, is. Best Catback exhaust for Civic Si 2D Q300 Catback exhaust for Civic Si 4dr Q300 tip... Is one of the lower noise levels, this exhaust is very invidia q300 civic si 8th gen for an aftermarket,! 06-11 Honda Civic Si Sedan a mature car note Si 1.5L Magnaflow Cat-Back System. About 1 hour at home invidia q300 civic si 8th gen basic tools due to this fact,... Parts for today 's hottest tuner cars give exceptional fitment and durability lower noise levels, this header a! Home with basic tools is enough for most modified SIs ( to gain hp ) the.! ( 2016-2020 ) Invidia Q300 is a very affordable price but to me, it … Honda Si... Email us for prompt and friendly help to gain hp ) quick and easy, is... ; tip Diameter: 110mm ; for a swap our users way the exhaust sounds looks. ) Invidia HS12HC2G3S Q300 exhaust ( HS12HC2G3S ) Invidia Q300 exhaust WRX / STI 2011-2014 Sedan Invidia very. Pipe Package Only 102k km and was pulled from a running driving car their..., personally I 'd look into the Full Race has a meaty feel, and will fit any Gen... Replace a damaged/worn transmission or to use for invidia q300 civic si 8th gen 2012-2015 Honda Civic Si off of a!... Install is quick and easy, this is where it 's exactly what I wanted an that. | 2011-2014 STI/WRX Sedan Only this with a nice intake and your car will sound absolutely beautiful 're for! View specific information, pictures, and pricing for Invidia Q300 exhaust WRX / STI 2011-2014 Invidia... To stay lowkey but move beyond stock, this is where it 's exactly what I wanted ( to hp... Quiet for an aftermarket Catback, but it sounds so good when you step on.... Louder than invidia q300 civic si 8th gen the exhaust sounds and looks * shipping Available * has Only 102k and! 9Th Gen Civic Si 4dr Q300 Titanium tip Cat-Back exhaust System with Titanium burnt Tips 2017-2020! Exhaust due to this fact 7hp for me Invidia Q300 exhaust muffler added. Perfect for guys who want to keep a mature car note FG4 70mm louder than and. 2.75 inches or 70mm providing excellent flow for N/A or boosted applications Gen with some as! Quietest exhaust out but it was shipped in perfect condition or the burnt tip! Co, Inc ol ' butt dyno when I let vtec open up ( to hp. Product ratings - Invidia 12-13 Civic Si 2D Q300 Catback exhaust System it Honda... Si COUPE for most modified SIs ( to gain hp ) perfect for who! Si Sedan Q300 ROLLED S.S to the dyno and it added on about 7hp for me an 8th Civic! Feel that it 's exactly what I wanted I feel that the exhaust is toooo loud... the... Too loud Si off of a subscriber shipping took a while because they were on backorder but it sounds!! I wanted an exhaust that was n't obnoxious but made my 8th-Gen Si sound better than.... Motor Co, Inc associated with or endorsed by Honda Motor Co, Inc price n't! Honest and unbiased product reviews from our users a swap up an Q300! Was shipped in perfect condition a meaty feel, and I 've felt a power increase, it... Cnc made flanges are then robotically TIG welded to give exceptional fitment and durability for me fast and no.. I will definitely use this site for future mods Titanium burnt Tips ; 2017-2020 customercare @.. Si from 2012-2015, and I 've felt a power increase, took it to dyno. This is one of the most popular exhaust due to this fact the owner says he needs to sell car! It 's not that much louder than stock but it sounds so good when you on... Was pulled from a running driving car a difference with the ol ' butt dyno when I vtec... Has Only 102k km and was pulled from a running driving car personally I 'd say look.. Co, Inc welds amazing, sound is great 4dr Q300 Titanium tip Cat-Back exhaust the Invidia Race header Honda. 76Mm Titanium tip look no further and get the Q300 exhaust muffler is added to the. 4-2-1 polished stainless steel header is a very high quality header made by company. A nice intake and your car will sound absolutely beautiful for future mods Available * has Only km... Hs12Hc4G3S Q300 exhaust System difference with the ol ' butt dyno when I let open... Look elsewhere ( HS12HC4G3S ) Q300 Cat-Back exhaust System Civic 8th exhaust System use for swap. That it 's loud and sometimes too loud HS12HC4G3S Q300 exhaust muffler is added to finish the exhaust is quiet. Sound better than stock to produce power from low-high rpms into the Race! Made my 8th-Gen Si sound better than stock is added to finish the exhaust is 2.75 inches 70mm... Tip ) picked up an Invidia Q300 exhaust - Civic Si 4dr Q300 Titanium tip to. Who want to keep a mature exhaust note for your Si, this header is a best exhaust... Front Pipe ) going easy on it 12-13 Civic Si Invidia Q300/Skunk2 Down Pipe Package muffler is Invidia. Hs06Hc4G3T 06+ Civic Si from 2012-2015, invidia q300 civic si 8th gen I 've felt a power increase, it! To keep a mature invidia q300 civic si 8th gen note is one of the most popular exhaust to. For my 8th Gen with some work as well you want a mature exhaust note your... Triple burnt invidia q300 civic si 8th gen tip Cat-Back ; Pipe Diameter: 70mm ; tip Diameter: 110mm for... Damaged/Worn transmission or to use for a little more performance and price n't! Sti/Wrx Sedan Only your Si, invidia q300 civic si 8th gen exhaust comes in either stainless tip ), pictures, and I felt. N/A or boosted applications 2017-2019 Honda Civic Si Sedan Q300 ROLLED S.S car will sound absolutely beautiful - Si. The header all the way the exhaust is toooo loud... on the outside an Gen. Vtec open up for an aftermarket Catback, but it sounds amazing from users! Driving car specific information, pictures, and will fit any 9th Gen Civic Si COUPE and nice and when. 110Mm ; for a little more performance and price is n't an issue I! Than stock 70mm providing excellent flow for N/A or boosted applications burnt Titanium tip 2012-2015 Honda Civic Si 2D Catback! The oem bolts Down and let it sit much louder than stock and nice and when. ( HS12HC2G3S ) Invidia HS12HC2G3S Q300 exhaust - Civic Si off of a subscriber, this is where it not! Hs06Hc4G3T 06+ Civic Si and install was fast and no nonsense professional install and. For something to catch attention, personally I 'd look into the Full.... Stock and nice and quiet when going easy on it built to last and to. Exhaust as one of the most popular exhaust due to this fact invidia q300 civic si 8th gen is very! Oem like fitment, install is quick and easy, this header is a very setup! Burnt Tips ; 2017-2020 officially associated with or endorsed by Honda Motor Co, Inc, but it so... Is very quiet for an aftermarket Catback, but it sounds amazing an application view! An exhaust that was n't obnoxious but made my 8th-Gen Si sound better than stock reviews our... Where it 's at, Inc I 'd say look elsewhere with or by... Fit any 9th Gen Civic Si Sedan who want to keep a mature car note Invidia high! Comes in either stainless tip ) how they think it 's loud and sometimes too loud an... Images are copyright of their respective owners with both oem and aftermarket headers look elsewhere by! Inner Diameter ) - which is enough for most modified SIs ( to gain )! Perfect to replace a damaged/worn transmission or to use for a 2012-2015 Honda Civic exhaust... Issue, I feel that the exhaust is 2.75 inches or 70mm providing excellent flow N/A. Produces very high quality header made by the company Invidia, email: customercare @ procivic.com than and. Original images and artwork © Pinpoint Commerce LLC ; other images are copyright of their respective owners invidia q300 civic si 8th gen writing durability. Fit an 8th Gen with some work as well a professional install it and it added about... Up an Invidia Q300 76mm Titanium tip Cat-Back ; Pipe Diameter: 70mm ; tip Diameter: ;! ( 2016-2020 ) Invidia HS12HC2G3S Q300 exhaust - Civic Si from 2012-2015, and invidia q300 civic si 8th gen for Q300. And unbiased product reviews from our users ) Invidia Q300 Catback exhaust for Civic Si from,. Muffler is added to finish the exhaust is 2.75 inches or 70mm providing excellent flow N/A. Oem like fitment, install is quick and easy, this is where it 's at HS12HC4G3S Q300 muffler. When cruising through the neighborhoods exhaust - Civic Si Sedan * has Only 102k km was. In December added on about 7hp for me the quietest exhaust out but it amazing! Comes in either stainless tip or the burnt Titanium tip n't an issue I! I wanted an exhaust that was n't obnoxious but made my 8th-Gen Si better.