Mishimoto 11+ Chevy 6.6L Duramax Intercooler Pipe and Boot Kit Fuel Delivery~Fuel Pump Hangers 1989 GMC R3500 Sierra Classic

1989 GMC R3500 Sierra Classic

The Duramax LMM intake kit features two large air inlet points

2010 Chevrolet Avalanche LS

reduced engine efficiency

Forged billet

Mishimoto 11+ Chevy 6.6L Duramax Intercooler Pipe and Boot Kit Fuel Delivery~Fuel Pump Hangers 1989 GMC R3500 Sierra ClassicImprove the power and efficiency of your Duramax with the Mishimoto intercooler pipe and boot kit. The factory pipes for the 2011+ Duramax features numerous restrictive bends and chokes the engine with small piping. The increased size of the Mishimoto intercooler pipes provide a significant increase in airflow that results in more power and lower EGTs. The Mishimoto intercooler pipe and boot kit is a direct bolt on upgrade and features mandrel bent