07-10 Duramax BD Diesel Exhaust Brake Hats The RetraxPRO retractable truck bed

The RetraxPRO retractable truck bed cover is part of our Premium Aluminum Series covers

That means no more bent Tie Rods and scary rides

This valve helps maintain fuel rail pressure during high engine load conditions

T4 Exhaust Housing

07-10 Duramax BD Diesel Exhaust Brake Hats The RetraxPRO retractable truck bed07 10 Chevy Gmc 2500 3500 Duramax Delivers up to 30 40psi exhaust backpressure Electronically closes off turbocharger vanes to provide engine braking Helps maintain speeds on descents and curves Better control of your truck and load. Integrated with the cruise control to automatically accelerate and decelerate to maintain vehicle speed Easily installs by plugging into existing factory ports Switch mounted on dash Warranty Parts 12 Months 24,000 Miles