GR Supra B58 Catless Downpipe – Track Use Only

Unleash the true performance of your B58 engine with our GR Supra B58 Downpipe. Designed for maximum power gains and faster turbo spool, this downpipe eliminates the restrictive stock catalytic converter, dramatically improving exhaust flow and throttle response.

Our precision-engineered flex section minimizes stress and vibration to protect both your turbo system and chassis under high-load conditions.

Important: This downpipe is for track use only. We cannot ship to California unless you are a licensed performance shop. Contact your local shop to order them from us.

Performance Benefits:

• Reduces turbo lag and increases spool efficiency

• Optimized for maximum horsepower and torque gains

• Designed to handle extreme temperatures and boost levels

• Up to 25–30HP gains on a tuned B58 with stock turbo