Flowmaster 40 Series Chambered Muffler - 3 in Center Inlet - Dual 2-1/2 in Outlets - 13 x 9-3/4 x 4 in Oval Body - 19 in Long - Black Paint - Universal 430402 Fuel Cell Filler Plate Gasket Thermo-Shield

Thermo-Shield

Eliminates the centrifugal force from shoving the brake rotor into the caliper on the housing side of the rear end and also helps to keep brake pad wear equalized

2004-2010 GMC Sierra 2500 HD

and 26995 springs

the BERT BALLSPLINE transmission allows the rear suspension to move faster and smoother

Flowmaster 40 Series Chambered Muffler - 3 in Center Inlet - Dual 2-1/2 in Outlets - 13 x 9-3/4 x 4 in Oval Body - 19 in Long - Black Paint - Universal 430402 Fuel Cell Filler Plate Gasket Thermo-ShieldThe original Flowmaster series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability. Features: Durable Fully Welded 16 Gauge Aluminized Steel 3 Year Limited Warranty Aggressive And Powerful Exterior Exhaust Tone Notable Interior Resonance Excellent Street Strip And Off Road