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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.
 OUT OF STOCK 49-36624-LPerformance Gains: This system produced gains of up to +6 HP and +5 lbs. x Ft. TQ., as measured on our in-house dyno.
3" - 2-1/2" 304 Stainless Steel Construction: This cat-back exhaust system is constructed of 3" - 2-1/2" mandrel-bent, brushed finished 304 stainless steel tubing for maximum streng... aFe Takeda 3in 304 SS Cat-Back Exhaust System w/Blue Flame Tips 17-20 Honda Civic Sport L4-1.5L (t) 2017-2020 Honda Civic EX-L 2017-2021 Honda Civic EX / LX / Sport / Sport Touring $1,532.00 |
 OUT OF STOCK 49-36624-PPerformance Gains: This system produced gains of up to +6 HP and +5 lbs. x Ft. TQ., as measured on our in-house dyno.
3" - 2-1/2" 304 Stainless Steel Construction: This cat-back exhaust system is constructed of 3" - 2-1/2" mandrel-bent, brushed finished 304 stainless steel tubing for maximum streng... aFe Takeda 3in 304 SS Cat-Back Exhaust System w/Polished Tips 17-21 Honda Civic Sport L4-1.5L (t) 2017-2020 Honda Civic EX-L 2017-2021 Honda Civic EX / LX / Sport / Sport Touring $1,394.00 |
 IN STOCK - LOW 3015-32108Tip Options: Each exhaust comes complete with 4.5” double-walled, slash-cut tips available in chrome silver or diamond black, and feature a stamped AWE logo. All tips are individually adjustable, allowing depth into the bumper to be set according to personal taste. The Touring Edition Exhausts fea... AWE Tuning 2016+ Honda Civic Si Touring Edition Exhaust w/Front Pipe & Dual Chrome Silver Tips 2017-2020 Honda Civic Si $1,485.00 |
 OUT OF STOCK 3015-33122This front pipe is integrated into the design of the exhausts. AWE exhausts are not designed to mate with other aftermarket front pipes. We decided to reuse the factory-style flange and gasket for reliability and long-term performance. The factory's double-layer steel gasket design is vastly supe... AWE Tuning 2016+ Honda Civic Si Touring Edition Exhaust w/Front Pipe & Dual Diamond Black Tips 2017-2020 Honda Civic Si $1,485.00 |
 OUT OF STOCK 3015-42666At the intersection of sophistication and aggression lies the Touring Edition Exhaust. A 3” T304L stainless steel downpipe-back configuration, the Touring Edition Exhaust is the perfect dose of steel for drivers looking for straight-pipe performance, a deep, sophisticated exhaust note, and zero dr... AWE Tuning 2017+ Honda Civic Type R Touring Edition Exhaust w/Front & Mid Pipes - Chrome Silver Tips 2017-2021 Honda Civic Type R $1,755.00 |
 IN STOCK - LOW 3015-43000At the intersection of sophistication and aggression lies the Touring Edition Exhaust. A 3” T304L stainless steel downpipe-back configuration, the Touring Edition Exhaust is the perfect dose of steel for drivers looking for straight-pipe performance, a deep, sophisticated exhaust note, and zero dr... AWE Tuning 2017+ Honda Civic Type R Touring Edition Exhaust w/Front & Mid Pipe - Diamond Blk Tips 2017-2021 Honda Civic Type R $1,755.00 |
 OUT OF STOCK 3015-52012Tip Options:Each exhaust comes complete with 4.5” double-walled, slash-cut tips available in chrome silver or diamond black, and feature a stamped AWE logo. All tips are individually adjustable, allowing depth into the bumper to be set according to personal taste. The Touring Edition Exhausts feat... AWE Tuning 2016+ Honda Civic Si Touring Edition Exhaust w/Front Pipe & Triple Chrome Silver Tips 2017-2020 Honda Civic Si $1,595.00 |
 IN STOCK 3015-53014Tip Options:Each exhaust comes complete with 4.5” double-walled, slash-cut tips available in chrome silver or diamond black, and feature a stamped AWE logo. All tips are individually adjustable, allowing depth into the bumper to be set according to personal taste. The Touring Edition Exhausts feat... AWE Tuning 2016+ Honda Civic Si Touring Edition Exhaust w/Front Pipe & Triple Diamond Black Tips 2017-2020 Honda Civic Si $1,645.00 |
 IN STOCK - LOW 3020-32052For those who like it raw and rowdy, the Track Edition is for you. The Track Edition shares the same integrated front pipe, bespoke mid pipe resonator, and precision engineering as its Touring Edition counterpart, minus AWE’s patented drone-canceling solution, 180 Technology®. In place of the 180... AWE Tuning 2016+ Honda Civic Si Track Edition Exhaust w/Front Pipe & Dual Chrome Silver Tips 2017-2020 Honda Civic Si $1,225.00 |
 OUT OF STOCK 3020-33066For those who like it raw and rowdy, the Track Edition is for you. The Track Edition shares the same integrated front pipe, bespoke mid pipe resonator, and precision engineering as its Touring Edition counterpart, minus AWE’s patented drone-canceling solution, 180 Technology®. In place of the 180... AWE Tuning 2016+ Honda Civic Si Track Edition Exhaust w/Front Pipe & Dual Diamond Black Tips 2017-2020 Honda Civic Si $1,225.00 |
 IN STOCK 3020-52000For those who like it raw and rowdy, the Track Edition is for you. The Track Edition shares the same integrated front pipe, bespoke mid pipe resonator, and precision engineering as its Touring Edition counterpart, minus AWE’s patented drone-canceling solution, 180 Technology®. In place of the 180... AWE Tuning 2017+ Honda Civic Type R Track Edition Exhaust w/Front Pipe & Triple Chrome Silver Tips 2017-2021 Honda Civic Type R $1,385.00 |
 IN STOCK 3020-52008For those who like it raw and rowdy, the Track Edition is for you. The Track Edition shares the same integrated front pipe, bespoke mid pipe resonator, and precision engineering as its Touring Edition counterpart, minus AWE’s patented drone-canceling solution, 180 Technology®. In place of the 180... AWE Tuning 2016+ Honda Civic Si Track Edition Exhaust w/Front Pipe & Triple Chrome Silver Tips 2017-2020 Honda Civic Si $1,225.00 |
 IN STOCK 3020-53002For those who like it raw and rowdy, the Track Edition is for you. The Track Edition shares the same integrated front pipe, bespoke mid pipe resonator, and precision engineering as its Touring Edition counterpart, minus AWE’s patented drone-canceling solution, 180 Technology®. In place of the 180... AWE Tuning 2017+ Honda Civic Type R Track Edition Exhaust w/Front Pipe & Triple Diamond Black Tips 2017-2021 Honda Civic Type R $1,385.00 |
 IN STOCK 3020-53010For those who like it raw and rowdy, the Track Edition is for you. The Track Edition shares the same integrated front pipe, bespoke mid pipe resonator, and precision engineering as its Touring Edition counterpart, minus AWE’s patented drone-canceling solution, 180 Technology®. In place of the 180... AWE Tuning 2016+ Honda Civic Si Track Edition Exhaust w/Front Pipe & Triple Diamond Black Tips 2017-2020 Honda Civic Si $1,325.00 |
 IN STOCK - LOW 3810-31016AWE Tuning 17+ Honda Civic SI 1.5L / Type R 2.0L Turbo Triple-to-Dual Tip Conversion Kit 2017-2020 Honda Civic Si 2017-2021 Honda Civic Type R $225.00 |
IN STOCK - LOW 3810-52018AWE Tuning 17-20 Honda Civic Si 1.5L Turbo Dual-to-Triple Tip Conversion Kit - Chrome Silver Tip 2017-2020 Honda Civic Si $335.00 |
OUT OF STOCK 3810-53020AWE Tuning Honda Civic Si 10th Gen 1.5L Turbo Dual-to-Triple Tip Conversion Kit - Diamond Black Tip 2017-2020 Honda Civic Si $435.00 |
 OUT OF STOCK 3815-11048Swap out your existing Track Edition rear section for AWE's patented drone-canceling solution, 180 Technology. completely straight-through with maximum performance minus the drone at highway speeds.... AWE Tuning Honda Civic Si 10th Gen 1.5L Turbo Touring Edition Conversion Kit 2017-2020 Honda Civic Si $245.00 |
 OUT OF STOCK 3820-11038Swap out your existing Touring Edition rear section for a completely straight-through rear section for maximum weight loss and maximum volume in and out of the cabin.... AWE Tuning 17+ Honda Civic Type R FK8 2.0L Turbo Track Edition Conversion Kit 2017-2021 Honda Civic Type R $335.00 |
 IN STOCK 3820-11040Swap out your existing Touring Edition rear section for a straight-through Track Edition rear section.... AWE Tuning Honda Civic Si 10th Gen 1.5L Turbo Track Edition Conversion Kit 2017-2020 Honda Civic Si $225.00 |
 IN STOCK - LOW 140738The Borla(r) Cat-Back(tm) system for the Civic Type R is unique in the industry with an adjustable sound level. By Changing the block off plates behind the center tip you can adjust the SPL (Sound Pressure Level) to your taste. System also features Borla(r)'s Polyphonic Harmonizer Technology which u... Borla 2017-2018 Honda Civic Type-R Cat-Back Exhaust 2017-2020 Honda Civic Type R $2,687.99 |
 OUT OF STOCK 140777System features polished T-304 stainless steel tips. Borla(r) Cat-Back(tm) and 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 Bor... Borla 17-19 Honda Civic SI 1.5L Turbo MT S-Type 2.75in Cat-Back Exhaust 2017-2020 Honda Civic Si $1,559.99 |
IN STOCK 140777CBFeatures a durable high-temperature ceramic black finish on T-304 stainless steel tips. Borla(r) Cat-Back(tm) and Axle-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fu... Borla 17-19 Honda Civic SI 1.5L Turbo MT S-Type 2.75in Cat-Back Exhaust Ceramic Black Tip 2017-2020 Honda Civic Si $1,629.99 |
 IN STOCK - DROPSHIPS 140738CBThe Borla(r) Cat-Back(tm) system for the Civic Type R is unique in the industry with an adjustable sound level. By changing the block off plates behind the center tip you can adjust the SPL (Sound Pressure Level) to your taste. System features Borla(r)'s Polyphonic Harmonizer Technology which utiliz... Borla 17-18 Honda Civic Type-R FK8 ATAK Cat-Back Exhaust w/ Ceramic Black Tips 2017-2020 Honda Civic Type R $2,774.99 |
IN STOCK 140738CFBAThe Borla(r) Cat-Back(tm) system for the Civic Type R is unique in the industry with an adjustable sound level. By changing the block off plates behind the center tip you can adjust the SPL (Sound Pressure Level) to your taste. System features Borla(r)'s Polyphonic Harmonizer Technology which utiliz... Borla 17-18 Honda Civic Type R 2.0L 2.75in Atak Adjustable Catback Exhaust (Carbon Fiber Black Tip) 2017-2020 Honda Civic Type R $3,177.99 CLEARANCE VIEW PRICE IN CART |