Invidia N1 Cat-Back Exhaust Polished Single Tip | 2008–2014 WRX Sedan / 2011–2014 STI Sedan | HS08SW4GTP

The Invidia HS08SW4GTP N1 cat-back exhaust is a proven performance upgrade for the 2008–2014 Subaru WRX Sedan and 2011–2014 STI Sedan. Built from SUS304 stainless steel with 76mm mandrel-bent piping and minimal bends, it reduces exhaust restriction for improved throttle response and gains in both horsepower and torque. Finished with a 101mm polished single tip and welded hangers at stock locations — no additional modifications required.

Key Features

• SUS304 stainless steel construction
• 76mm mandrel-bent piping with minimal bends for reduced turbulence
• Improved throttle response, horsepower, and torque
• 101mm polished stainless single tip
• Exhaust hangers welded to stock locations — no modification needed
• Includes new gaskets, hardware, and exhaust silencer

Important Note

If running a stock J-pipe or downpipe, the GrimmSpeed Stock DP to Aftermarket 3" Catback Adapter (p/n 077046) is required.

Vehicle Fitment

• 2008–2014 Subaru WRX Sedan
• 2011–2014 Subaru WRX STI Sedan

Specs

• Part Number: HS08SW4GTP
• Piping Size: 76mm
• Tip: 101mm polished stainless, single outlet
• Material: SUS304 stainless steel