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2009-19 Tundra 4.6L, 5.7L - Flowmaster American Thunder Cat-back Exhaust System 817664YouTube Button

Flowmaster American Thunder Cat-back Exhaust System

2009-2019 Toyota Tundra 4.0L, 4.6L, 4.7L or 5.7L engine. (See Applications)

PART# 817664

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Fits 2009-2019 Toyota Tundra 4.0L, 4.6L, 4.7L or 5.7L engine with 145-inch Wheelbase only. Note: Does not fit regular cab/short bed or double cab/long bed models. Only fits 2009 models built after 08/2008.

Overview

The American Thunder® cat-back exhaust system for 2009-2019 Toyota Tundra trucks with the 4.0L, 4.6L, 4.7L or 5.7L engine is perfect for the person looking for an deep aggressive exterior tone with a mellow growl inside the truck and all of the performance benefits you expect from Flowmaster®. This bolt-on emissions-legal system features all stainless steel construction, a specially designed dual inlet Super 40® Series muffler flowing into dual 2.50-inch mandrel-bent tailpipes for maximum performance with a deep tone. The kit comes with two sets of final pipes for either a dual out the back look or dual out behind the rear tires, which is beneficial for towing. The tailpipes are finished off with a pair of 3.50-inch double wall polished stainless steel tips. The system includes all necessary parts and hardware for easy at home installation. Note: Fits 2/4 wheel drive. Does not fit regular cab/short bed or double cab/long bed models. Only fits 2009 models built after 08/2008.

Features:

  • Super 40 Series Performance Muffler
  • Deep Aggressive Performance Tone
  • Uses the Factory Hanger Locations
  • Multiple Exit Styles Provided in Kit
  • Clears the Factory Spare Tire
  • Stainless Steel Construction
  • Lifetime Limited Warranty
  • Easy Installation

Specs

2WD/4WDRWD/4WD
BrandFlowmaster
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Emission Code5
Exhaust SeriesAmerican Thunder
Exit PositionDual Out Rear / Dual Out Side
Heat ShieldNo
Inlet Diameter (in)2.5
MaterialStainless Steel
Muffler Part NumberKit Only
Muffler Series40 Series Big Block
Outlet Diameter (in)2.5
Product TypeExhaust Systems / Kits
Single DualDual
Sound LevelAggressive Sound
System TypeCat-back System
Tip Diameter (in)3.5
Tip Length (in)13
Tip Quantity2
Tubing Diameter (in)2.5
Part Number817664

Emissions

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 2009-2019 Toyota Tundra 4.0L, 4.6L, 4.7L or 5.7L engine with 145-inch Wheelbase only. Note: Does not fit regular cab/short bed or double cab/long bed models. Only fits 2009 models built after 08/2008.

Applications

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