Injen 15-20 Subaru STI Cat Back Exhaust w/ Quad Titanium Tips Suspension>Suspension Arm Bushings straight through designed 409 stainless

straight through designed 409 stainless steel 18" length muffler improves performance gains across the power band while producing an aggressive tone

even breaking when the truck is lifted on 2-post vehicle lifts due to the stress of the axle dropping

P/N 11203 features 3/8' NPT inlet and outlet ports

CSF's stepped-core design maximizes all of the available frontal area behind the front bumper and underneath the crash bar

Injen 15-20 Subaru STI Cat Back Exhaust w/ Quad Titanium Tips Suspension>Suspension Arm Bushings straight through designed 409 stainlessThe Injen Performance Cat Back Exhaust System for the 2015 2021 Subaru WRX and WRX STI was designed from the ground up to compliment the aggressive styling and blistering performance of these sporty sedans. Our custom dual muffler design hones the tone of the engine into an ear pleasing symphony. Purposefully delivering a crisp, clean, deep rumble at idle and an aggressive roar when you're pushing the limits. Manufactured from only the highest grade