Catback Exhaust System – Toyota GT86 / Subaru BRZ / Scion FRS 12+

2.5" Bore throughout with twin 4.5" tailpipes Flared pipe end to fit the OEM system sealing with a donut gasket creating a tight seal Fits from the catalytic converter back Free flowing system to get the most from the 4U-GSE / FA20 boxer engine Engineered to improve throttle response and increased power and torque across the entire RPM range