Invidia [15-21 WRX/STI] Q300 Cat Back Exhaust w/ Double Wall Stainless Steel Tips | HS15STIG3S ship-25 Modification required for A/C and

Modification required for A/C and power steering

Improves steering response and front-end rigidity

For vehicles with manual transmission use only

Excluding FWD Trims

Switch Life - 3 million operations

Invidia [15-21 WRX/STI] Q300 Cat Back Exhaust w/ Double Wall Stainless Steel Tips | HS15STIG3S ship-25 Modification required for A/C andFor a good balance of price and performance, Invidia Exhaust is constructed with high quality SUS304 stainless steel, CNC machined flanges, and manufactured with a polished finish. Each system features mandrel bent stainless steel piping for maximum exhaust flow and reduced back pressure. These exhausts are engineered to produce strong mid to top end power gains, as well as an increase in horsepower and torque. Specs: Tip Size: 110mm Piping ID: 76mm