• The Flowmaster 50 Series Big Block Muffler cranks-out extra power and torque for powerful trucks, SUVs and RVs—especially when towing
  • Sounds a more mild version of the famous Flowmaster tone for revealing your engine power without waking the neighbors
  • The Flowmaster 50 Series Big Block drops under-hood temperatures as much as 200°, extending the life of vital engine components
  • Unique H-chamber design reduces interior resonance for a smooth, calm ride inside your cab
  • Large chamber capacity handles your engine's power under heavy loads
  • The 50 Series Big Block muffler also offers a critical increase in gas mileage
  • Quality Flowmaster muffler crafting uses aluminized steel for corrosion resistance and precise mig welds for maximum durability
  • Your Flowmaster 50 Series Big Block Muffler boasts a 3-year warranty

 
50 Series Big Block Mufflers
50 Series Big Block Mufflers
From: $170.24
 
Part NoApplication
530513Flowmaster 2002 Cadillac Escalade 50 Series Big Block Mufflers
530513Flowmaster 2003 Cadillac Escalade 50 Series Big Block Mufflers
530513Flowmaster 2004 Cadillac Escalade 50 Series Big Block Mufflers
530513Flowmaster 2003 Chevrolet Silverado 1500 50 Series Big Block Mufflers
530504Flowmaster 2003 Chevrolet Silverado 1500 50 Series Big Block Mufflers
530513Flowmaster 2001 Chevrolet Silverado 1500 HD 50 Series Big Block Mufflers
530513Flowmaster 2002 Chevrolet Silverado 1500 HD 50 Series Big Block Mufflers
530513Flowmaster 2003 Chevrolet Silverado 1500 HD 50 Series Big Block Mufflers
530504Flowmaster 2001 Chevrolet Silverado 1500 HD 50 Series Big Block Mufflers
530504Flowmaster 2002 Chevrolet Silverado 1500 HD 50 Series Big Block Mufflers
530504Flowmaster 2003 Chevrolet Silverado 1500 HD 50 Series Big Block Mufflers
530513Flowmaster 2001 Chevrolet Silverado 2500 HD 50 Series Big Block Mufflers
530513Flowmaster 2002 Chevrolet Silverado 2500 HD 50 Series Big Block Mufflers
530513Flowmaster 2003 Chevrolet Silverado 2500 HD 50 Series Big Block Mufflers
530513Flowmaster 2004 Chevrolet Silverado 2500 HD 50 Series Big Block Mufflers
530504Flowmaster 2001 Chevrolet Silverado 2500 HD 50 Series Big Block Mufflers
530504Flowmaster 2002 Chevrolet Silverado 2500 HD 50 Series Big Block Mufflers
530504Flowmaster 2003 Chevrolet Silverado 2500 HD 50 Series Big Block Mufflers
530504Flowmaster 2004 Chevrolet Silverado 2500 HD 50 Series Big Block Mufflers
530513Flowmaster 2001 Chevrolet Silverado 2500 HD 50 Series Big Block Mufflers
530513Flowmaster 2002 Chevrolet Silverado 2500 HD 50 Series Big Block Mufflers
530513Flowmaster 2003 Chevrolet Silverado 2500 HD 50 Series Big Block Mufflers
530513Flowmaster 2004 Chevrolet Silverado 2500 HD 50 Series Big Block Mufflers
530504Flowmaster 2001 Chevrolet Silverado 2500 HD 50 Series Big Block Mufflers
530504Flowmaster 2002 Chevrolet Silverado 2500 HD 50 Series Big Block Mufflers
530504Flowmaster 2003 Chevrolet Silverado 2500 HD 50 Series Big Block Mufflers
530504Flowmaster 2004 Chevrolet Silverado 2500 HD 50 Series Big Block Mufflers
530513Flowmaster 2002 Chevrolet Silverado 2500 HD 50 Series Big Block Mufflers
530513Flowmaster 2003 Chevrolet Silverado 2500 HD 50 Series Big Block Mufflers
530513Flowmaster 2004 Chevrolet Silverado 2500 HD 50 Series Big Block Mufflers
530513Flowmaster 2002 Chevrolet Silverado 2500 HD 50 Series Big Block Mufflers
530504Flowmaster 2002 Chevrolet Silverado 2500 HD 50 Series Big Block Mufflers
530504Flowmaster 2002 Chevrolet Silverado 2500 HD 50 Series Big Block Mufflers
530504Flowmaster 2003 Chevrolet Silverado 2500 HD 50 Series Big Block Mufflers
530504Flowmaster 2004 Chevrolet Silverado 2500 HD 50 Series Big Block Mufflers
530513Flowmaster 2001 GMC Sierra 1500 HD 50 Series Big Block Mufflers
530513Flowmaster 2002 GMC Sierra 1500 HD 50 Series Big Block Mufflers
530513Flowmaster 2003 GMC Sierra 1500 HD 50 Series Big Block Mufflers
530513Flowmaster 2001 GMC Yukon Denali 50 Series Big Block Mufflers
530513Flowmaster 2002 GMC Yukon Denali 50 Series Big Block Mufflers
530513Flowmaster 2003 GMC Yukon Denali 50 Series Big Block Mufflers
530513Flowmaster 2004 GMC Yukon Denali 50 Series Big Block Mufflers
527504Flowmaster 2003 Hummer H2 50 Series Big Block Mufflers
527504Flowmaster 2004 Hummer H2 50 Series Big Block Mufflers
527504Flowmaster 2005 Hummer H2 50 Series Big Block Mufflers
527504Flowmaster 2006 Hummer H2 50 Series Big Block Mufflers
527504Flowmaster 2007 Hummer H2 50 Series Big Block Mufflers