01-04 Duramax LB7 PPE Stage 4 Rebuild Kit Exhaust With our MBRP brand etched

With our MBRP brand etched on the tip and our unmistakable styling

they often INCREASE the vehicle's FUEL MILEAGE by up to 1-2MPG

a heater tube can be purchased at your local Chrysler Dealership [PN:68048997AA] to complete the installation

The block is machined from aircraft grade T6 billet aluminum

01-04 Duramax LB7 PPE Stage 4 Rebuild Kit Exhaust With our MBRP brand etchedThe PPE 128034201 Stage 4 Transmission Kit for your 01 04 GM 6. 6L Duramax is designed as our entry level kit thats perfect for drag racing, sled pulling, towing or even daily driven use. It will ensure that your Allison 1000 transmission can handle up to 850 hp at the crank (approx. 680 rwhp) and up to 1,500 ft. lbs. of torque without damage. This kit works extremely well for a stock truck but was engineered to handle a Duramax engine that has been