Flowmaster 17742 Header-back 409S - American Thunder Kit - DOR/S - Mod/Agg Sound

Flowmaster's American Thunder Crossmember-back exhaust system for the 73-87 GM C10/C20, ½ and 3/4 ton, 2WD pickup truck is perfect for the person looking for moderate to aggressive sound levels with all of the performance benefits that you would expect from Flowmaster. This Crossmember-back DOR/DOS (Dual Out Rear, Dual Out Side) system features dual Super 44 Series mufflers, 2.50" mandrel bent aluminized tubing and accommodates both dual and single exhaust crossmembers. This system is routed in a fashion that accommodates both long and short wheelbases with automatic or manual transmissions, and provides adequate clearance for substantially lowered vehicles. The exhaust system is covered by Flowmaster's 3 Year Limited Warranty. This system is not emissions compliant on vehicles that were originally equipped with catalytic converters. Note: This system is not designed as a direct bolt-on and will require the user to fabricate pipes to connect to manifolds or headers.

• Limited Lifetime Warranty
• Moderate Exterior Exhaust Tone
• Incl. Hangers and Hardware For Easy Installation
• Header Back System
• Dual Out Rear Exit
• Dyno Tuned for Maximum Performance
• Premium Flowmaster Quality
• Famous Flowmaster sound
• Multiple Exit Options
• Patented Delta Flow Technology
• Made in the USA

Additional Attributes:

• GTIN: 00700042032341
• Shape: Oval
• Single or Dual: Dual
• Sound Level: Moderate/Aggressive
• System Type: Header Back
• Tail Pipe Diameter: 2.500 in.
• Tip Diameter: N/A
• Tubing Diameter: 2.500 in.
• Tubing Material: Aluminized Steel
• WARNING CA Proposition 65: No
• Color: Black
• Exhaust Series: American Thunder
• Exhaust Type: Dual
• Exit Position: Dual Rear Same Side
• Exit Style: Straight
• Inlet Diameter: 2.500 in.
• Inlet Inside Diameter: 2.500 in.
• Material: Aluminized Steel
• Mount Type: Flanged
• Muffler Count: 2
• Muffler Series: Super 44
• Muffler Type: Welded Baffle
• Outlet Diameter: 2.500 in.
• Outlet Outside Diameter: 2.500 in.

Extened Information:

• Emissions : Legal US
• Life Cycle Status: Available To Order

Packaging:

• Quantity of Each: 1
• Package UOM: EA
• Dimension: 63.5000 x 15.2500 x 16.0000 inches

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