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Maximize Performance with GDP Downpipe/Turbo Back Exhaust
Durable Construction: Made from premium materials to withstand the toughest conditions and ensure long-lasting use
Note: Support sessions are scheduled based on technician availability
Better Response: Increases transmission response for quicker shifts and better control
Fit for specific cab and box configurations (4" Leaf Spring and Coil Spring trucks only
GDP Exhaust Manifold Kit w/ Up-Pipes (2001-2016 Duramax 6.6L LB7/LLY/LBZ/LMM/LML) 14-19_J_ECODIESEL_3.0 Maximize Performance with GDP Downpipe/TurboTransform the performance of your 2001 2016 Duramax 6. 6L engine with the GDP Exhaust Manifold Kit w Up Pipes. Built to handle the toughest conditions and maximize exhaust flow, this kit is designed for drivers who demand more power, better efficiency, and unparalleled reliability from their diesel engine. Constructed from heavy duty materials, the GDP manifolds and up pipes are engineered to withstand extreme temperatures and high stress, providing a
