GReddy Supreme SP Exhaust Honda Civic SI Coupe 2017+ (10158216) vendor_IPR Hot engine bay air that

Hot engine bay air that robs horsepower is prevented from entering the intake system to provide consistent intake performance

-Billet Aluminum 32mm Pressure Cap Receiver

Uses Factory Hardware

4inch to -2

- Improved Shifts

GReddy Supreme SP Exhaust Honda Civic SI Coupe 2017+ (10158216) vendor_IPR Hot engine bay air thatPart #: 10158216 The legacy of the GReddy SP lives on with GReddys best version yet, the Supreme SP and to prove it carries a limited lifetime warranty! From the 1st flange to the new double wall GReddy Tip, each Supreme SP system features a high quality, hand Tig weld 304 stainless steel outer construction. Within the muffler, new straight through and directed straight though chambered muffler designs allow GReddy to engineer a more refine exhaust