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Flowmaster American Thunder Cat-back Exhaust System

2004-2007 Dodge Durango & 2007 Chrysler Aspen with 4.7L or 5.7L Hemi engine.

PART# 817400

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Aggressive to moderate sound

Overview

This American Thunder cat-back exhaust system is for 2004-2007 Dodge Durango and 2007 Chrysler Aspen SUV's with the 4.7L or 5.7L Hemi engine. Features include a stainless steel 70 Series "Big Block II" performance muffler for a mild to moderate interior sound, with a deep powerful sound outside without hindering performance. The mandrel-bent 2.50-inch stainless tailpipes exit side by side out the back and are finished off with a pair of polished 3.00-inch stainless steel with the Flowmaster logo embossed in the tips. 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. The system is covered by our Limited Lifetime Warranty.

Features:

  • Includes Hangers and Hardware for an Easy Installation
  • Moderately Aggressive Exterior Exhaust Sound
  • Mandrel-bent 16-gauge Stainless Steel Tubing
  • 70 Series "Big Block II" Performance Muffler
  • Connects After Factory Catalytic Converter
  • Polished 3.00-inch Stainless Steel Tips
  • Uses the Factory Hanger Locations
  • Lifetime Limited Warranty

Specs

2WD/4WD2WD/4WD
BrandFlowmaster
Emission Code5
Exhaust SeriesAmerican Thunder
Exit PositionDual Out Rear
Heat ShieldNo
Inlet Diameter (in)2.75
Material409 Stainless Steel
Muffler Part NumberKit Only
Muffler Quantity1
Muffler Series70 Series Big Block
Outlet Diameter (in)2.5
Product TypeExhaust System
Single DualDual
Sound LevelAggressive / Moderate
System TypeCat-back
Tip Diameter (in)3
Tip Quantity2
Tubing Diameter (in)2.5
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817400

Emissions

5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Tech Resources

Fits 2004-2007 Dodge Durango and 2007 Chrysler Aspen with 4.7L or 5.7L Hemi engine.

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      Some parts are not legal for use in California or other states with similar regulations.

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