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American Thunder Crossmember-Back Exhaust System<br>67-72 Chevy/GMC K10, K15/K1500, K20, K25/K2500
American Thunder Crossmember-Back Exhaust System<br>67-72 Chevy/GMC K10, K15/K1500, K20, K25/K2500
American Thunder Crossmember-Back Exhaust System<br>67-72 Chevy/GMC K10, K15/K1500, K20, K25/K2500
American Thunder Crossmember-Back Exhaust System<br>67-72 Chevy/GMC K10, K15/K1500, K20, K25/K2500
American Thunder Crossmember-Back Exhaust System<br>67-72 Chevy/GMC K10, K15/K1500, K20, K25/K2500
American Thunder Crossmember-Back Exhaust System<br>67-72 Chevy/GMC K10, K15/K1500, K20, K25/K2500
American Thunder Crossmember-Back Exhaust System<br>67-72 Chevy/GMC K10, K15/K1500, K20, K25/K2500
American Thunder Crossmember-Back Exhaust System<br>67-72 Chevy/GMC K10, K15/K1500, K20, K25/K2500
FLOWMASTER

American Thunder Crossmember-Back Exhaust System
67-72 Chevy/GMC K10, K15/K1500, K20, K25/K2500

SKU: FLM-817940
NEW
$1,049.95

Availability: Out Of Stock

Compatibility
Specification
Product Description Reviews
Description:

This Flowmaster American Thunder dual exhaust system is specifically designed for 1967-1972 Chevy 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.

Features:

  • Crossmember-Back Design Works with Stock Manifolds or Headers, Allowing More Application Options
  • 16-Gauge, 2.50-Inch 409 Stainless Steel Pipes add Durability and Strength
  • Super 44 Mufflers Deliver Increased Performance and an Aggressive to Moderate Sound Level
  • Three Different Tailpipe Exit Options Allow You to Tailor the Look of the Kit to Your Style
  • Mandrel-Bent Pipes Help to Maximize the Exhaust Flow for Better Performance
  • H-Pipe Style Crossover Helps Exhaust Gas Scavenging and Reduces Drone
  • Includes Hangers and Hardware for Installation
  • Lifetime Limited Warranty


Package Includes:

  • 6772 GM TRUCK 4WD AMT XMB DOSR


Compatible With:

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


WARNING: This product contains chemicals known to the State. For more information go to https://www.p65warnings.ca.gov/