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Exhaust Exhaust Pipes, Systems and Components

Flowmaster

American Thunder Crossmember-Back Exhaust System Fits 1964-1967 GM A-Body 3.00-Inch Stainless Steel System With V8 Engine Aggressive Sound Flowmaster

$1,383.95 $1,299.95 Save $84.00

SKU: F00L 817202

In Stock
In Stock
Ships by Sep 14
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The American Thunder® Crossmember-Back exhaust system is a true dual 3.00-inch muscle car system for deep aggressive sound on high horsepower vehicles. It features mandrel-bent stainless steel, an H-pipe crossover for balanced exhaust pressure, increased hp/torque, and reduced back-rap. Super 40® Series mufflers provide a deep, muscular tone. This system delivers an aggressive interior and exterior tone, with sound level varying by engine and modifications. Benefits include improved throttle response, power, and mileage. It's designed for easy installation with all necessary parts and hardware. Covered by a Lifetime Limited Warranty.
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Part #: 817202

The American Thunder crossmember-back exhaust system is a true dual large 3.00-inch muscle car system for the person who is looking for a deep aggressive sound for their high horsepower vehicle. This stainless steel system is mandrel-bent for maximum performance, includes an H-pipe crossover to balance out the exhaust pressures, add hp and torque, and to help eliminate back-rap on deceleration. The specially selected Super 40 Series performance mufflers feature a large case to handle the added horsepower and provide a deep muscular tone flowing through the large 3.00-inch tailpipes. The American Thunder systems generally deliver an aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. The sound level will depend greatly on the engine and level of modifications. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation. Covered by our Lifetime Limited Warranty.

Features:

  • Large 3.00-inch Exhaust System for High Horsepower Engines
  • Mandrel Bent Stainless Steel Tubing
  • H-pipe Crossover for Maximum Power and Deep Tone
  • Limited Lifetime Warranty
  • Super 40 Series Mufflers for Deep Powerful Sound
  • Moderate Exterior Exhaust Tone
  • Includes Hangers and Hardware for Installation
  • Incl. Hangers and Hardware For Easy Installation
  • Mandrel-bent 16-gauge Stainless Steel Tubing
  • Header Back System
  • Crossmember-back True Dual Exhaust System
  • Dual Out Rear Exit
  • Aggressive Exterior Exhaust Tone
  • Dyno Tuned for Maximum Performance
  • Lifetime Limited Warranty
  • Premium Flowmaster Quality
  • Patented Delta Flow Technology

American Thunder Header Back Exhaust System | Dual | Dual Side Exit | Incl. 3.0 in. Tubing/Super 40 Series (TM) Mufflers/Welded H-Pipe/Turndown Tailpipes | 409 Stainless Steel

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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Specifications

BrandFlowmaster
Part NumberF00L 817202

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