The Sinister Diesel LML Intake Bridge for 2011-2015 GM Duramax will increase off the line torque and horse power. Mandrell bent 3 inch aluminum tubing optimizes airflow after the throttle valve and heater grid. This part will retain the factory heater grid and throttle valve and will not effect low temperature engine starts. .
Bolt On Installation Mandrell Bent Aluminum Tubing Retains Factory Smog Equipment Increases Off The Line Torque and Horsepower
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