Click here to hear the Flowmaster American Thunder cat-back exhaust in action


2003-2008 Dodge Ram 2500/3500 5.7L and 2005-2008 1500 Mega Cab American Thunder Cat-Back 409S:

Dodge products are known for great durability and strength; especially their legendary and powerful line up of tough Ram trucks. But as with all trucks, netting the most potential power and torque you can muster is always an important benefit. This new Flowmaster American Thunder Cat-Back system for 2003-2008 Dodge Ram 2500 & 3500 5.7L trucks delivers on all accounts and fits all cab and bed configurations (including 2005-2008 1500 series Mega Cab trucks).

Manufactured using durable 409S stainless steel and is backed by our 10-year warranty, the system features a clamp-on, 3.00" inlet pipe that passes through a 50 Series HD single in/dual out muffler and into dual 2.50" mandrel bent tailpipes. Both side and rear exit pipes are included so that the customer can choose the desired look and are finished off with 3.00" diameter polished 304 stainless steel Flowmaster tips. As an American Thunder system, it provides improved horsepower, mileage and torque along with a deep, moderate tone on the outside and a moderate interior sound level. Instructions and all the necessary hardware are included with the kit for an easy bolt-on installation.

- 409S Stainless steel construction for maximum durability.
- Includes both side and rear exit pipes for a custom installation.
- Moderate interior and exterior sound level.
- Improves torque, horsepower and throttle response.
- Made in USA

Part# 817438



For more information about Flowmaster products go online to www.flowmastermufflers.com.



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