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Looking for aftermarket parts to modify or upgrade your 2018 Honda Civic with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories.
 IN STOCK 140739System features polished T-304 stainless steel tips. Borla(r) Cat-Back(tm) & Axle-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla... Borla 16-17 Honda Civic Sport 1.5L AT/MT Hatchback S-Type Catback Exhaust 2017-2020 Honda Civic Sport / Sport Touring $1,364.99 |
 IN STOCK - DROPSHIPS 140803The Borla(r) Cat-Back(tm) is the perfect addition to the tenth generation Honda Civic Si. Our Cat-Back(tm) systems for the Honda Civic Si are specifically tuned for the car's 1.5L Turbo engine and are designed for easy, bolt-on installation. Our S-Type sound level delivers a sound that is much sport... Borla 17-19 Honda Civic SI Sedan 1.5L Turbo MT FWD 4DR Catback S-TYPE 2017-2020 Honda Civic Si $1,434.99 |
 IN STOCK - LOW 140803CBThe Borla(r) Cat-Back(tm) is the perfect addition to the tenth generation Honda Civic Si. Our Cat-Back(tm) systems for the Honda Civic Si are specifically tuned for the car's 1.5L Turbo engine and are designed for easy, bolt-on installation. Our S-Type sound level delivers a sound that is much sport... Borla 17-19 Honda Civic SI Sedan 1.5L Turbo MT FWD 4DR Catback S-TYPE w/ Ceramic Black Tips 2017-2020 Honda Civic Si $1,489.99 |
 IN STOCK - DROPSHIPS 21302BLKExperience the sound of Corsa Performance for your FK8 Honda Civic Type-R! Utilizing a front pipe-back design, this 304 Stainless Steel 3 in. system will bolt up to the OE front-pipe with a Corsa Performance designed flange that will allow you to run an aftermarket front-pipe if desired. This system... Corsa 2017-2021 Honda Civic Type R Xtreme Cat-Back Tri Rear Exit with 4.5in Black Pro-Series Tips 2017-2021 Honda Civic Type R $1,699.99 |
 IN STOCK - DROPSHIPS 21303Experience the sound of Corsa Performance for your FK8 Honda Civic Type-R! Utilizing a front pipe-back design, this 304 Stainless Steel 3 in. system will bolt up to the OE front-pipe with a Corsa Performance designed flange that will allow you to run an aftermarket front-pipe if desired. This system... Corsa 2017-2021 Honda Civic Type R Xtreme Cat-Back Tri Rear Exit with 4.5in Polished Pro-Series Tips 2017-2021 Honda Civic Type R $1,649.99 |
 IN STOCK - DROPSHIPS 21303BLKExperience the sound of Corsa Performance for your FK8 Honda Civic Type-R! Utilizing a front pipe-back design, this 304 Stainless Steel 3 in. system will bolt up to the OE front-pipe with a Corsa Performance designed flange that will allow you to run an aftermarket front-pipe if desired. This system... Corsa 2017-2021 Honda Civic Type R Xtreme Cat-Back Tri Rear Exit with 4.5in Black Pro-Series Tips 2017-2021 Honda Civic Type R $1,699.99 |
 IN STOCK - DROPSHIPS 21302Experience the sound of Corsa Performance for your FK8 Honda Civic Type-R! Utilizing a front pipe-back design, this 304 Stainless Steel 3 in. system will bolt up to the OE front-pipe with a Corsa Performance designed flange that will allow you to run an aftermarket front-pipe if desired. This system... Corsa 2017-2021 Honda Civic Type R 3in Cat Back Exhaust - Polished Pro-Series Tri 4.5in Tip (Xtreme) 2017-2021 Honda Civic Type R $1,649.99 |
 SHIPS FROM MANUFACTURER 10158212GReddy 2017+ Honda Civic Sport Hatchback 76mm Supreme SP Cat-Back Exhaust 2017-2020 Honda Civic Sport $655.50 |
 SHIPS FROM MANUFACTURER 10158216GReddy 2017+ Honda Civic SI Coupe Supreme SP Exhaust 2017-2020 Honda Civic Si $855.00 |
 SHIPS FROM MANUFACTURER 10158215GReddy 2017+ Honda Civic Type-R High Grade Supreme SP Exhaust 2017-2019 Honda Civic Type R $1,705.25 |
 SHIPS FROM MANUFACTURER 10158217GReddy 2017+ Honda Civic SI Sedan Supreme SP Exhaust 2017-2020 Honda Civic Si $855.00 |
 IN STOCK SES1500TTThe Injen Technology engineers are experts when it comes to performance, PERIOD. From Cars to Trucks to Powersports, Injen has a variety of exhaust systems to choose from. All of Injen Technology Performance exhaust systems are constructed from mandrel bent stainless steel tubing Mandrel-bending ens... Injen 16-20 Honda Civic Hatchback 1.5T SS Cat-Back Exhaust w/ Titanium Tips 2017-2021 Honda Civic Sport 2018-2018 Honda Civic Sport Touring $1,273.25 |
 IN STOCK SES1572TTInjen 16-20 Honda Civic 1.5L Turbo 4Cyl (Sedan) 63mm SS Cat-Back Exhaust w/ Dual Burnt Titanium Tips 2016-2018 Honda Civic EX-T 2016-2021 Honda Civic EX-L / Touring 2017-2020 Honda Civic Si 2017-2021 Honda Civic EX / LX / Sport / Sport Touring $1,238.27 |
IN STOCK SES1573Injen 2016+ Honda Civic 1.5L Turbo 3in Exhaust 2016-2018 Honda Civic EX-T 2016-2021 Honda Civic EX-L / Touring 2017-2020 Honda Civic Si 2017-2021 Honda Civic EX / LX / Sport / Sport Touring $994.41 CLEARANCE VIEW PRICE IN CART |
IN STOCK SES1581TTInjen 17-20 Honda Civic Si 1.5L Turbo (Sedan Only) 3in Cat-Back Stainless Steel Exhaust 2017-2020 Honda Civic Si $1,109.34 |
IN STOCK - DROPSHIPS SES1582TTInjen 17-19 Honda Civic Type-R 3in SS Cat-Back Exhaust w/ Dual Burnt Titanium Tips 2017-2021 Honda Civic Type R $1,410.18 |
IN STOCK - DROPSHIPS SES1583CFInjen 17-20 Honda Civic Type R 2.0L Turbo 3in 304SS Cat-Back Exhaust 2017-2021 Honda Civic Type R $1,669.03 |
 IN STOCK HS17CTRFGM3STInvidia 2017 Honda Civic Type-R Gemini/R400 Full 76mm Exhaust w/Front Pipe and Titanium Tips 2017-2019 Honda Civic Type R $1,947.26 |
 IN STOCK - DROPSHIPS 106-0999BRExhaust Direct-Fit Replacement Exhaust Kit 106-0999 takes the guesswork out of replacing your exhaust system while providing a reliable and high-quality alternative to the OEM exhaust. You will find all of the gaskets and clamps needed to get the job done in the carefully packaged box. 106-0999’... BRExhaust 16-21 Honda Civic 1.5L Direct-Fit Replacement Exhaust System 2016-2018 Honda Civic EX-T 2016-2021 Honda Civic EX-L / Touring 2017-2021 Honda Civic EX / LX $828.00 |
 IN STOCK 19312The MagnaFlow 2016-2021 Honda Civic Street Series Cat-Back Performance Exhaust System brings out the personality of your 1.5L 2016-2021 Honda Civic with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 2.25in. main piping and 3 Straig... MagnaFlow Cat-Back 2016 Honda Civic (Sedan Only) 1.5L L4 Turbo 2.25in SS Dual Outlet 2016-2018 Honda Civic EX-T 2016-2021 Honda Civic EX-L / Touring 2017-2021 Honda Civic EX / LX $1,275.00 |
 IN STOCK 19313The MagnaFlow 2016-2020 Honda Civic Street Series Cat-Back Performance Exhaust System brings out the personality of your 2.0L 2016-2020 Honda Civic with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 2.25in. main piping and 3 Straig... MagnaFlow 16-18 Honda Civic L4 2.0L Street Series Cat-Back Exhaust w/ Polished Tips 2016-2018 Honda Civic LX-P 2016-2019 Honda Civic EX 2016-2020 Honda Civic LX 2017-2018 Honda Civic Type R $1,307.00 |
 IN STOCK - LOW 19365The MagnaFlow 2016-2020 Honda Civic Street Series Cat-Back Performance Exhaust System brings out the personality of your 1.5L 2016-2020 Honda Civic with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 2.25in. main piping and 3 Straig... MagnaFlow 2016+ Honda Civic L4 1.5L Street Series Cat-Back Exhaust w/ Polished Tips 2016-2018 Honda Civic EX-T 2016-2020 Honda Civic EX-L / Touring 2017-2020 Honda Civic LX $1,307.00 |
 IN STOCK 19373The MagnaFlow 2017-2021 Honda Civic Street Series Cat-Back Performance Exhaust System brings out the personality of your 1.5L 2017-2021 Honda Civic with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 2.25in. main piping and 2 Straig... MagnaFlow 2017 Honda Civic L4 1.5L Street Series Cat-Back Exhaust w/ Black Tips 2017-2021 Honda Civic Sport $1,343.00 |
 OUT OF STOCK 19383The MagnaFlow Honda Civic Type R xMOD Series Performance Exhaust System #19383 brings the cutting-edge modularity of our xMOD Series to one of America's most popular vehicles. This cat-back exhaust kit is designed to enhance your 2.0L 2017-2021 Honda Civic with dyno-proven performance made possible ... MagnaFlow SYS Cat-Back 2017 Honda Civic Type R 2.0L 2017-2021 Honda Civic Type R $2,406.00 |
 OUT OF STOCK 19394The MagnaFlow 2017-2020 Honda Civic Competition Series Cat-Back Performance Exhaust System brings an aggressive, attention-grabbing edge to the deep resonant exhaust note we're so well known for. This exhaust kit is designed to enhance your 1.5L 2017-2020 Honda Civic with dyno-proven performance mad... MagnaFlow 2017+ Honda Civic 1.5L 409 SS Single Exit Polished 4.5in Dual Tips Cat-Back Exhaust 2017-2020 Honda Civic Si $1,184.00 |