AWE Tuning stainless steel cat-back exhaust for the McLaren 650S and 675LT.
- Max gains of 17 hp and 15 ft-lbs of torque at the crank on stock software
- Unrivaled quality for an upper echelon automobile
- Thorough dyno, reliability, power and tone testing
- No Check Engine Light, Guaranteed
- An impressive +44hp and +68tq at the crank