Outstanding service | Free Ground Shipping | No Backorders Ever | 30 Day Return Policy

Skip to product information
1 of 4

Flowmaster 817200 - Header-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound

Flowmaster 817200 - Header-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound

Flowmaster | 817200
SKU: FLO-817200
Regular price $1,299.95 USD
Regular price $1,462.95 USD Sale price $1,299.95 USD
Sale Sold out
Shipping calculated at checkout.

16 in stock

Quantity

Flowmaster 817200 - Header-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound

Exhaust System - American Thunder - Header-Back - 3 in Tailpipe - Stainless - Natural - GM A-Body 1968-72 - Kit

American Thunder Header Back Exhaust System; Dual; Dual Rear Exit; Incl. 3.0 in. Tubing From Trans X-Member Back/H-Pipe/Hardware/Super 40 Series™ Mufflers; 409 Stainless Steel;

This 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.

  • Super 40 Series Performance Mufflers for Deep Powerful Sound
  • H-pipe Crossover for Maximum Power and Deep Tone
  • Mandrel-bent 16-gauge Stainless Steel Tubing
  • Includes Hangers and Hardware for Installation
  • Crossmember-Back True Dual Exhaust System
  • Large 3.00-inch Stainless Steel Tubing
  • Does Not Include Header Reducers or Factory Manifold Downpipes
  • Aggressive Exterior Exhaust Tone
  • Lifetime Limited Warranty
Brand: Flowmaster
CARB (California) Compliant: Yes
Catalytic Converter Included: No
Catalytic Converter Quantity: 0
Category: Exhaust
Clamping Type: Flat Band
Clamps Included: Yes
Drive: 2WD
Emission Code: 5
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
Muffler (Left) Body Length: 13.50
Muffler (Left) Body Width: 10.00
Muffler (Left) Type: Chambered
Muffler (Right) Body Height: 5.00
Muffler (Right) Body Length: 13.50
Muffler (Right) Body Width: 10.00
Muffler (Right) Type: Chambered
Muffler Body Height: 5.00
Muffler Body Length: 13.50
Muffler Body Material: 409 Stainless Steel
Muffler Body Shape: Oval
Muffler Body Width: 10.00
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
Muffler Inlet Outside Diameter: 3.13
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
part type: Exhaust System
Pipe Color: Silver
Pipe Material: 409 Stainless Steel
Product Type: Exhaust System
Sound Level: Aggressive
Spring Bolt Kit Included: No
Sub Category: Exhaust and Tail Pipes
Tail Pipe Outlet Outside Diameter: 3.00
Tail Pipe Quantity: 2
Tail Pipe Quantity: Dual
Tail Pipe Tapered Outlet: No
Type: Crossmember-back
Valve Included: No
Valve Type: Not Applicable
Warning: California Proposition 65
View full details