aFe MACHForce XP Exhausts Mufflers SS-409 EXH Muffler 5 ID In/Out 8 DiaThe aFe Universal fit Aluminized or 409 Stainless Steel Performance Muffler is designed to provide a deep, throaty, powerful sound on acceleration but maintain a smooth sound at idle. This muffler is constructed of either Aluminized steel or brushed finished 409 stainless steel and uses a straight through perforated core with heat resistant packing to reduce backpressure and maximize exhaust flow. You will see increased performance and improved

The AEM 21-732C Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing

high-flow mufflers

100% MIG-Welded for race-proven strength and durability

These 6061-T6 pillow block bushing mounts are designed to be used in conjunction with the PFADT Series Heavy Rate Racing Sway Bars and eliminate bushing deflection and offer a solid mount for the sway bars

6L turbo diesel

This 9 tall 360-degree radial flow air filter features a 6-1/2" x 4-3/4 oval flange and our oil-free Pro DRY S media with three layers of synthetic media for maximum convenience

Whether you’re setting up your car for the street or track

The roto-molded housing is made out of black cross-linked polyethylene

maximizing tire contact with the road

Year Make Model Submodel 2018 Subaru WRX STI Base 2018 Subaru WRX STI Limited 2018 Subaru WRX STI Type RA

3 +35 OFFSET

Flow and Performance: This MACH Force-Xp cat-back exhaust system is constructed of 2-1/2" mandrel-bent