The Duramax Exhaust Brake works on Manual Transmissions for the 2001-2004 Duramax. The Exhaust Brake mounts on the turbocharger to provide:
a) Instant retarding horse power (no time delay)
b) Increase reliability
c) Easiest installation of all brands available

Pacbrake exhaust brakes offer an unrestricted exhaust flow design and provides maximum retarding power without reducing power output. The backpressure limiter guarantees engine safety. Braking power when you need it - without sacrificing engine power.

Part #: 1320067