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Exhaust Exhaust Pipes, Systems and Components

Flowmaster

American Thunder Crossmember-Back Exhaust System 1968-1970 Mopar B-Bodies With V8 Engine, 2.5 Inch Stainless Steel Aggressive To Moderate Sound Flowmaster

$1,210.95 $1,117.95 Save $93.00

SKU: F00L 817390

In Stock
In Stock
Ships by Sep 15
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Flowmaster 817390 is a header-back, dual rear exit exhaust system from the American Thunder series, made from 409S stainless steel with Super 40 Series™ mufflers. It features a moderate/aggressive sound level and is designed for 2WD V8 Mopar B-Body vehicles from 1968-1970.
Show original supplier description

Part #: 817390

The American Thunder system is for the person who is looking for a complete Crossmember-Back dual exhaust system with a deep powerful sound. The system is constructed from 2.50-inch mandrel-bent stainless steel tubing and includes an H-pipe to balance the exhaust pulses and to eliminate back-rap on deceleration.The large cased Super 40 Series performance mufflers generally deliver a moderate interior tone with a deep powerful exterior sound which is suited for enthusiasts who want their performance to be heard. The mandrel-bent tailpipes exit straight out the back under the rear bumper for a strong muscular appearance and allows you to select your own style of tips. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation and is covered by our Lifetime Limited Warranty. .H-pipe Crossover for Maximum Power and Deep ToneSuper 40 Series Mufflers for Deep Powerful SoundMandrel-bent 16-gauge Stainless Steel TubingIncludes Hangers and Hardware for InstallationModerate to Aggressive Exterior Exhaust ToneCrossmember-Back True Dual Exhaust SystemDoes Not Include Header Reducers or Downpipes for Factory ManifoldsLifetime Limited Warranty

Features:

  • H-pipe Crossover for Maximum Power and Deep Tone
  • Mandrel Bent Stainless Steel Tubing
  • Super 40 Series Mufflers for Deep Powerful Sound
  • Limited Lifetime Warranty
  • Mandrel-bent 16-gauge Stainless Steel Tubing
  • Moderate Exterior Exhaust Tone
  • Includes Hangers and Hardware for Installation
  • Incl. Hangers and Hardware For Easy Installation
  • Moderate to Aggressive Exterior Exhaust Tone
  • Header Back System
  • Crossmember-back True Dual Exhaust System
  • Dual Out Rear Exit
  • Does Not Include Header Reducers or Downpipes for Factory Manifolds
  • Dyno Tuned for Maximum Performance
  • Lifetime Limited Warranty
  • Premium Flowmaster Quality
  • Patented Delta Flow Technology

American Thunder Header Back Exhaust System | Dual | Dual Rear Exit | Incl. 2.5 in. Tubing/Super 40 Series (TM) Mufflers/Dual Straight 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 817390

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