Header-Back System 409S - Dual Rear Exit - American Thunder -Moderate-Aggressive
5.0 · 1 review
SKU: 817585

Header-Back System 409S - Dual Rear Exit - American Thunder -Moderate-Aggressive

$1,230.99
FREE delivery
Description

ABOUT THIS PRODUCT

For the person who is looking for a complete Crossmember-Back dual exhaust system with a performance sound. This system is mandrel bent for maximum performance and includes specially selected mufflers. American Thunder 2.5 in. systems generally deliver a moderate to 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 modification. 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.

Product Features:
  • Premium Quality
  • Improved Horsepower, Torque and Engine Efficiency
  • Delta Flow Technology
  • Super 40 Sound Level
Specifications
Brand
Flowmaster Inc. (626)
SKU
817585
Product type
Automotive
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Returns Policy
Shipping Information

Free shipping on all orders. Most items ship next business day after your order is placed.

Returns Policy

Returns are accepted when the product is in its original, unopened container. Contact us if you have questions about your order.

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Customer Reviews

5.0

Based on 1 review

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Emma S. Verified Buyer
12/14/2025

Exactly what I needed

Easy to order and arrived quickly. Product matched the listing and works great.

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