Korsh Turbo Back Exhaust - Subaru WRX STI 01-07 (Catted) 75W-90 We know for sure we

We know for sure we made it stronger than the OEM axles and even stronger than our upgraded RH axle

Custom made high quality silicone hoses with 4 layers of polyester/aramid reinforcement

springs and mounting parts

The design of the airboxes—including their shape

The original equipment (OE) inlets feature connection sizes of only 61mm and 72mm

Korsh Turbo Back Exhaust - Subaru WRX STI 01-07 (Catted) 75W-90 We know for sure weComplete turbo back exhaust system engineered specifically for Subaru WRX and STI models from 2001 to 2007. This high performance system combines a high flow catted downpipe with a premium catback exhaust for maximum flow and power gains while maintaining emissions compliance. Street legal complete exhaust solution. CONTENTS Catted Downpipe: Cast head design, high flow 200 cell catalytic converter, precision mandrel bends Catback Exhaust: 304