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Flowmaster

Flowmaster 817139 - Header-back System 409S - Dual Rear Exit - American Thunder- Moderate/Aggressive

MSRP: $1,042.95
$834.95
( saved $208.00 )
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  • Flowmaster 817139 - Header-back System 409S - Dual Rear Exit - American Thunder- Moderate/Aggressive
  • Flowmaster 817139 - Header-back System 409S - Dual Rear Exit - American Thunder- Moderate/Aggressive
  • Flowmaster 817139 - Header-back System 409S - Dual Rear Exit - American Thunder- Moderate/Aggressive
  • Flowmaster 817139 - Header-back System 409S - Dual Rear Exit - American Thunder- Moderate/Aggressive
  • Flowmaster 817139 - Header-back System 409S - Dual Rear Exit - American Thunder- Moderate/Aggressive
  • Flowmaster 817139 - Header-back System 409S - Dual Rear Exit - American Thunder- Moderate/Aggressive
  • PLEASE NOTE: Pictures are repsentative of style, may be generic.
SKU:
FLO-817139
Part Number:
817139
UPC:
700042024308
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Flowmaster - 817139

Flowmaster American Thunder Crossmember-Back Exhaust System

American Thunder Header Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing/Super 44 Series™ Mufflers/H-Pipe/Hardware; 409 Stainless Steel;

This American Thunder® exhaust system comes as a complete true dual crossmember-back exhaust for your 1969 Chevrolet Camaro or Pontiac Firebird with V8 engine. These dual systems feature 2.50-inch mandrel-bent stainless steel tubing for maximum performance, includes a built-in H-pipe/balance tube flowing into a pair of Super 44® mufflers that deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. The 2.50-inch tailpipes exit straight out under the rear bumper and are finished off with 2.50-inch angle-cut brushed stainless steel tips and includes all hangers and necessary hardware for installation. Like all Flowmaster® systems, the benefits include improved throttle response, power and mileage and is covered by our Lifetime Limited Warranty. To fit Convertible models without modification to the factory X-brace. You will need to shim the brace with 3/8-inch of spacers, or replace the factory X-brace with Hotchkis Suspension part# 1404 X-brace.

  • Does Not Include Header Reducers or Factory Manifold Downpipes
  • Crossmember-Back True Dual Exhaust System
  • Super 44 Series Mufflers for Deep Powerful Sound
  • Stainless Steel Exhaust Tips Exit in the Factory Location
  • H-pipe Crossover for Maximum Power and Deep Tone
  • Includes Hangers and Hardware for Installation
  • Lifetime Limited Warranty
  • Moderate to Aggressive Exterior Exhaust Tone
  • Mandrel-bent 16-gauge Stainless Steel Tubing

Exhaust Series: American Thunder
Exhaust Type: Dual
Exit Position: Dual Rear
Exit Style: Straight
Heat Shield Attached: No
Inlet Diameter: 2.500 in.
Inlet Inside Diameter: N/A
Material: Stainless Steel
Muffler Count: 2
Muffler Part Number: 842546
Muffler Series: Super 44 Series
Outlet Diameter: 2.500 in.
Outlet Outside Diameter: 2.500 in.
Single or Dual: Dual
Sound Level: Moderate/Aggressive
System Type: Header Back
Tail Pipe Diameter: 2.500 in.
Tip Diameter: 2.500 in.
Tip Quantity: 2
Tubing Diameter: 2.500 in.

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