Description
Flowmaster 817940 – American Thunder Crossmember-Back Exhaust System
Flowmaster American Thunder Crossmember-Back Exhaust System
American Thunder Crossmember-Back Exhaust System; Dual Side Exit; 2.5 in. Tubing; 409 Stainless Steel; Incl. Super 44 Series Mufflers And Hangers/Hardware;
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.
- 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
Brand: FlowmasterCARB (California) Compliant: YesCatalytic Converter Included: NoCatalytic Converter Quantity: 0Category: ExhaustClamping Type: Flat BandClamps Included: YesEmission Code: 5Exhaust Series: American ThunderExhaust Tip Quantity: 0Exhaust Tip Quantity: Sold SeparatelyExhaust Tip Shape: RoundExit Style: Dual Out SideExit Style: Dual Out RearFinish: NaturalGasket Or Seal Included: NoGrade Type: PerformanceHangers Included: YesHeat Shield Included: NoInlet Type: Weld-OnMain Piping Diameter: 2.50Mount Type: Uses New Hangers (Included)Mounting Bracket Included: YesMuffler (Left) Body Height: 4.00Muffler (Left) Body Length: 13.25Muffler (Left) Body Width: 9.50Muffler (Left) Type: ChamberedMuffler (Right) Body Height: 4.00Muffler (Right) Body Length: 13.25Muffler (Right) Body Width: 9.50Muffler (Right) Type: ChamberedMuffler Body Height: 4.00Muffler Body Length: 13.25Muffler Body Material: 409 Stainless SteelMuffler Body Shape: OvalMuffler Body Width: 9.50Muffler Color: BlackMuffler Finish: Black High-Temperature Paint FinishMuffler Flanged Inlet: NoMuffler Flanged Outlet: NoMuffler Included: YesMuffler Inlet Connection: Slip-FitMuffler Inlet Inside Diameter: 2.50Muffler Inlet Location: OffsetMuffler Inlet Outside Diameter: 2.63Muffler Outlet Connection: Slip-FitMuffler Outlet Diameter: 2.50Muffler Outlet Quantity: 1Muffler Overall Length: 19.50Muffler Part Number: Kit OnlyMuffler Quantity: 2Muffler Series: Super 44Muffler Type: Reflectionpart type: Exhaust SystemPipe Color: SilverPipe Material: 409 Stainless SteelProduct Type: Exhaust SystemSound Level: Aggressive / ModerateSpring Bolt Kit Included: NoSub Category: Exhaust and Tail PipesTail Pipe Outlet Outside Diameter: 2.50Tail Pipe Quantity: 2Tail Pipe Quantity: DualTail Pipe Tapered Outlet: NoType: Crossmember-backValve Included: NoValve Type: Not ApplicableWarning: California Proposition 65
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