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Flowmaster Catback System - Single Side Exit - American Thunder - Moderate Sound

$543.95 Sale:$488.95


Model #17350

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This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles.

Purchasing this product requires you to sign our Vehicle Compliance Waiver here.

For the person who wants a subtle custom appearance with all the benefits that a Flowmaster Catback exhaust system provides. S.O.S. (Single out side) systems are the perfect choice. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. 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.


  • Mandrel bent 16 Gauge Tubing
  • Moderate Sound exterior exhaust tone
  • Includes hangers and hardware for easy installation
  • Dyno tuned for maximum performance
  • 2WD/4WD: 2WD/4WD
  • California Proposition 65 Chemical Name: Chromium (hexavalent compounds)
  • California Proposition 65 Chemical Name: Nickel (Metallic)
  • California Proposition 65 Required: Yes
  • Emission Code: 5
  • Exhaust Series: American Thunder
  • Exit Position: Single Side Exit
  • Heat Shield: No
  • Inlet Diameter (in): 3
  • Inlet Position: Dual
  • Material: Aluminized Steel
  • Muffler Part Number: Kit Only
  • Muffler Quantity: 1
  • Muffler Series: 50 Series Big Block
  • Outlet Diameter (in): 3.5
  • Product Type: Exhaust Systems / Kits
  • Single Dual: Single
  • Sound Level: Moderate Sound
  • System Type: Catback System
  • Tip Diameter (in): 4
  • Tip Quantity: 1
  • Tubing Diameter (in): 3.5
  • Warning: California Proposition 65
  • Fits 2001-2003 Chevrolet Silverado and GMC Sierra 1500 HD truck with 6.0L engine, fits 2/4 wheel drive models with crew cab/short bed configuration.

Proposition 65

/!\ warningWARNING: Cancer and Reproductive Harm

Vehicle Engine Notes
Chevrolet Silverado 1500 HD
8 Cylinder 6.0 Liter
  • Crew cab/Short bed only.
Chevrolet Silverado 1500 HD
8 Cylinder 6.0 Liter
  • Crew cab/Short bed only.
GMC Sierra 1500 HD
8 Cylinder 6.0 Liter
  • Crew cab/Short bed only.
GMC Sierra 1500 HD
8 Cylinder 6.0 Liter
  • Crew cab/Short bed only.

This catalytic converter is warranted to be free from defects in materials andworkmanship subject to the exclusion and conditions set forth below and subject to the durational limits in this paragraph. This catalytic converter has been designed and manufactured and is warranted to meet federal Environmental Protection Agency emission requirements for 25,000 miles. The stainless steel body and the nipples alone are warranted for 5 years or 50,000 miles, whichever comesfirst. At the conclusion of the 5 year/50,000 mile or 25,000 mile period, whichever is applicable, all liability under this limited warranty shall terminate.

For full warranty information Click Here

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