A particular exhaust system listed may be in stock but is not available.to be ordered currently on ShopGReddy.com.To check stock and purchase, please contact an Authorized Dealer. DD-R Concept : Designed with a modern interpretation of the iconic GReddy DD “Dynamic Dual” exhaust, the GPP DD-R Exhaust Systems provide a distinct style and race-inspired sound for modern tuner cars. This high-quality exhaust is crafted from full 304 stainless-steel and features twin high-flow muffler sections for improved performance. Additionally, the DD-R includes configurable options such as removable tips and various tips finishers, allowing the owner to customize the looks, sound, and flow of their DD-R. + Reduced Shipping Fees on DD-R Exhaust Systems! (lower 48states only - additional shipping fees may apply) (click for more details...) 2017-20 Civic Si coupe - 10158600 Sound ClipChassis: FC3 coupeEngine: L15 TurboType: 3" Cat-back with dual compact muffer tipsNumber of pieces: 3Piping: (slight taper at 1st flange allow it to connect to the factory overpipe) 1x 76 mm (3") 11000332 - 2x 76mm (3.0") 11000327Tips: 2x 101mm (4 ") with GPP logoGasket(s): 3" oval (qty: 2 included) Resonator: yes 2017-20 Civic Si sedan - 10158601 Sound ClipChassis: FC1 4door sedanEngine: L15 TurboType: 3" Cat-back with dual compact muffer tipsNumber of pieces: 3Piping: (slight taper at 1st flange allow it to connect to the factory overpipe) 1x 76 mm (3") 11000332 - 2x 76mm (3.0") 11000327Tips: 2x 101mm (4 ") with GPP logoGasket(s): 3" oval (qty: 2 included) Resonator: yes 2017-21 Civic Type R - 10158603 Sound Clip (resonated)Chassis: FK8 ( & FK7 ) 5door hatchbackEngine: K20 (L15) TurboType: 3" Cat-back with dual compact muffer tipsNumber of pieces: 3Piping: (slight taper at 1st flange allow it to connect to the factory overpipe) 1x 76 mm (3") 11000332 - 2x 76mm (3.0") 11000327Tips: 2x 101mm (4") with GPP logoGasket(s): 3" oval (qty: 2 included) Resonator: yes 2017-20 Civic Sport HB - 10158602 Sound Clip (non-resonated)Chassis: FK7 (& FK8 ) 5door hatchbackEngine: L15 (K20) TurboType: 3" Cat-back with dual compact muffer tipsNumber of pieces: 3Piping: (slight taper at 1st flange allow it to connect to the factory overpipe) 1x 76 mm (3") 11000332 - 2x 76mm (3.0") 11000327Tips: 2x 101mm (4") with GPP logoGasket(s): 3 " oval (qty: 2 included) Resonator: no * Optional Tip Silencers and Titanium Tips (sold separately)