Nameless Axleback Exhaust 4" Mufflers 3" Double Wall Polished Tips Subaru WRX 15-21 / STI 15-21 | SUAB15WRX-4MU-30SDW vendor_P3 Gauges We saw an 11 -

We saw an 11 - 12 horsepower peak gain and 32 horsepower gain throughout the mid-range over the factory intake system

Fuel Lines

Part #: KCA425M

premium finish that looks great on both street and show vehicles

eliminating boost leaks common in OEM and cheap aftermarket BPVs

Nameless Axleback Exhaust 4" Mufflers 3" Double Wall Polished Tips Subaru WRX 15-21 / STI 15-21 | SUAB15WRX-4MU-30SDW vendor_P3 Gauges We saw an 11 -Fitment Information: 2015 2021 Subaru WRX 2015 2021 Subaru STI (will NOT fit the 2019 STI or the 2018 STI R A) Fitment note: This product only fits with an OEM, or OE fitment, mid pipe. It WILL NOT work with the SPT exhaust, or other aftermarket exhaust systems. Features: Looking for a quick sound and looks upgrade? The Nameless Performance Axleback Exhaust is a great way to start. Removing the two factory 13. 5lb restrictive baffled mufflers in lieu