Invidia [15-21 WRX/STI] Racing Series Cat Back Exhaust Titanium Tip | HS15SW4GST

For a good balance of price and performance, Invidia Exhaust is constructed with high-quality SUS304 stainless steel, CNC-machined flanges, and manufactured with a polished finish. Each system features mandrel-bent stainless steel piping for maximum exhaust flow and reduced back pressure. These exhausts are engineered to produce strong mid to top-end power gains, as well as an increase in horsepower and torque. This exhaust features a Titanium flame treated tip. Specs: Installation Hardware Included: Yes Piping Coating: No Piping Flex Joint: No Piping ID: 76mm Piping Material: 304 Stainless Steel Piping Taper: No Silencer Included: Yes Tip Material: Titanium Tip Qty: 1 Tip Shape: Round Tip Size: 101mm Note: Are you using a stock j pipe or downpipe? If yes, the GrimmSpeed Subaru Stock DP to Aftermarket 3 in. Catback Adapter p/n 077046, is required.