Description

Flowmaster American Thunder Crossmember-Back Exhaust System This Flowmaster American Thunder dual exhaust system is specifically designed for 1967-1972 Chevrolet and GMC K10, K15/K1500, K20, and K25/K2500 4wd trucks with V8 engines. The system is perfect for the person looking for an aggressive to moderate interior and exterior sound level. Starting at the Crossmember-Back, the exhaust comes complete with a built-in H-pipe crossover for better exhaust scavenging, all mandrel-bent 2.50-inch stainless steel tubing, a pair of Super 44 Series performance mufflers, and your choice of three tailpipe exits (Turndown behind rear tires, side exit behind rear tires, or straight out the back under the bumper). The system includes all hardware necessary for installation and is covered by our Lifetime Limited Warranty. Fits both short and long wheelbase trucks. Manifold down pipes and header reducers not included. Fits both long and short bed trucks.

• Specifications

  • Catalytic Converter Included: No
  • Catalytic Converter Quantity: 0
  • Clamping Type: Flat Band
  • Clamps Included: Yes
  • Exhaust Series: American Thunder
  • Exhaust Tip Quantity: 0
  • Exhaust Tip Quantity: Sold Separately
  • Exhaust Tip Shape: Round
  • Exit Style: Dual Out Rear
  • Exit Style: Dual Out Side
  • Finish: Natural
  • Gasket Or Seal Included: No
  • Grade Type: Performance
  • Hangers Included: Yes
  • Heat Shield Included: No
  • Inlet Type: Weld-On
  • Main Piping Diameter: 2.50"
  • Mount Type: Uses New Hangers (Included)
  • Mounting Bracket Included: Yes
  • Muffler (Left) Body Height: 4.00 Inch
  • Muffler (Left) Body Length: 13.25 Inch
  • Muffler (Left) Body Width: 9.50 Inch
  • Muffler (Left) Type: Chambered
  • Muffler (Right) Body Height: 4.00 Inch
  • Muffler (Right) Body Length: 13.25 Inch
  • Muffler (Right) Body Width: 9.50 Inch
  • Muffler (Right) Type: Chambered
  • Muffler Body Height: 4.00 Inch
  • Muffler Body Length: 13.25 Inch
  • Muffler Body Material: 409 Stainless Steel
  • Muffler Body Shape: Oval
  • Muffler Body Width: 9.50 Inch
  • Muffler Color: Black
  • Muffler Finish: Black High-Temperature Paint Finish
  • Muffler Flanged Inlet: No
  • Muffler Flanged Outlet: No
  • Muffler Included: Yes
  • Muffler Inlet Connection: Slip-Fit
  • Muffler Inlet Inside Diameter: 2.50 Inch
  • Muffler Inlet Location: Offset
  • Muffler Inlet Outside Diameter: 2.63 Inch
  • Muffler Outlet Connection: Slip-Fit
  • Muffler Outlet Diameter: 2.50 Inch
  • Muffler Outlet Quantity: 1
  • Muffler Overall Length: 19.50 Inch
  • Muffler Part Number: Kit Only
  • Muffler Quantity: 2
  • Muffler Series: Super 44
  • Muffler Type: Reflection
  • Pipe Color: Silver
  • Pipe Material: 409 Stainless Steel
  • Sound Level: Aggressive / Moderate
  • Spring Bolt Kit Included: No
  • Tail Pipe Outlet Outside Diameter: 2.50 Inch
  • Tail Pipe Quantity: 2
  • Tail Pipe Quantity: Dual
  • Tail Pipe Tapered Outlet: No
  • Type: Crossmember-back
  • Valve Included: No
  • Valve Type: Not Applicable

• Product Fits

  • Chevrolet K10 Pickup 1967-1972
  • Chevrolet K20 Pickup 1967-1972
  • GMC K15/K1500 Pickup 1967-1972
  • GMC K25/K2500 Pickup 1967-1972

• Documents and Manuals

  • 1101_FLW817940.pdf