Invidia [15-21 WRX/STI] N1 Cat-Back Exhaust – Titanium Tip | HS15SW4GTT

A strong balance of price and performance, the Invidia N1 cat-back is built from high-quality SUS304 stainless steel with CNC-machined flanges and a polished finish. Mandrel-bent piping maximizes exhaust flow and reduces back pressure, delivering strong mid-to-top-end power gains in horsepower and torque for your 2015–2021 WRX or STI.

Features

• SUS304 polished stainless steel construction
• Mandrel-bent piping for maximum flow and reduced back pressure
• CNC-machined flanges
• Pipe ID: 76mm
• Tip: 101mm round titanium tip
• Silencer included
• Part Number: HS15SW4GTT

Fitment

• 2015–2021 Subaru WRX
• 2015–2021 Subaru WRX STI

Important Note

Using a stock J-pipe or downpipe? The GrimmSpeed Subaru Stock DP to Aftermarket 3 in. Catback Adapter (p/n 077046) is required.

WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.