DIFFERENTIAL COVER turbo The high-flow muffler reduces backpressure

The high-flow muffler reduces backpressure by 40-60% compared to stock while shaping the exhaust note to eliminate drone

This cat-back exhaust system from Atech Motorsports (EXHAUST) is engineered as a direct-fit replacement for off-road and overland vehicles upgrading from the restrictive factory exhaust to a larger-diameter free-flowing layout

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This aFe Magnum Force air intake system (SKU: magnum-force-cold-air-intake) is a complete intake upgrade that replaces the factory air box and restrictive snorkel

Flow increases of 40-60% over stock are typical with sound output in the 80-88 dB range at cruising rpm and a pronounced bark under acceleration

DIFFERENTIAL COVER turbo The high-flow muffler reduces backpressureThe aFe Pro Series Differential Cover is a heavy duty upgrade for GM Corporate 14 bolt axlesthe backbone of 2500 3500 series trucks, Suburbans, and HD work rigs from the late 1970s through today. If you're hauling heavy or running 37 inch tires on a one ton chassis, your stock cover is a bottleneck this Pro Series piece eliminates entirely. Machined from cast A356 aluminum with deep internal and external fins, the Pro Series adds over 2 quarts of