Description

Flowmaster American Thunder Crossmember-Back Exhaust SystemThis Crossmember-Back American Thunder system is custom designed for high horsepower and large cubic inch engines in 1968-1972 GM A-Bodies with a V8 engine. It’s a true-dual exhaust system featuring all mandrel-bent 3.00-inch stainless steel tubing with a built-in H-pipe crossover assembly flowing into a pair of large cased Super 40 Series performance mufflers for maximum power and a deep powerful aggressive exhaust note. The large 3.00-inch mandrel-bent tailpipes are custom bent to tuck up high above the rear end and exit with a slight turn down under the rear bumper. The system is constructed from 409 stainless steel for maximum durability, includes all necessary hardware and hangers for installation and is covered by our Lifetime Limited Warranty. This system is also available in Aluminized steel and comes with a 3-year Limited Warranty, check out part# 17200.System does not include header reducer cones or downpipes for factory manifolds

Catalytic Converter Included: No

Catalytic Converter Quantity: 0

Clamping Type: Flat Band

Clamps Included: Yes

Drive: 2WD

Exhaust Series: American Thunder

Exhaust Tip Connection: Clamp-On

Exhaust Tip Quantity: 0

Exhaust Tip Quantity: Sold Separately

Exhaust Tip Shape: Round

Exit Style: Dual Out Rear

Finish: Natural

Gasket Or Seal Included: No

Grade Type: Performance

Hangers Included: Yes

Heat Shield Included: No

Inlet Diameter: 3.00″

Inlet Type: Weld-On

Main Piping Diameter: 3.00″

Mounting Bracket Included: Yes

Muffler (Left) Body Height: 5.00 Inch

Muffler (Left) Body Length: 13.50 Inch

Muffler (Left) Body Width: 10.00 Inch

Muffler (Left) Type: Chambered

Muffler (Right) Body Height: 5.00 Inch

Muffler (Right) Body Length: 13.50 Inch

Muffler (Right) Body Width: 10.00 Inch

Muffler (Right) Type: Chambered

Muffler Body Height: 5.00 Inch

Muffler Body Length: 13.50 Inch

Muffler Body Material: 409 Stainless Steel

Muffler Body Shape: Oval

Muffler Body Width: 10.00 Inch

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: 3.00 Inch

Muffler Inlet Outside Diameter: 3.13 Inch

Muffler Outlet Connection: Slip-Fit

Muffler Outlet Quantity: 1

Muffler Part Number: Kit Only

Muffler Quantity: 2

Muffler Series: Super 40 Series

Muffler Type: Chambered

Pipe Color: Silver

Pipe Material: 409 Stainless Steel

Sound Level: Aggressive

Spring Bolt Kit Included: No

Tail Pipe Outlet Outside Diameter: 3.00 Inch

Tail Pipe Quantity: 2

Tail Pipe Quantity: Dual

Tail Pipe Tapered Outlet: No

Type: Crossmember-back

Valve Included: No

Valve Type: Not Applicable