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Flowmaster dBX Cat-back Exhaust System

2013-2015 Toyota Tacoma with a 4.0L engine.

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This Flowmaster® dBX® performance exhaust system fits 2013-2015 Toyota Tacoma's with the 4.0L engine. The system includes all mandrel-bent 2.50-inch 409 stainless steel inlet tubing flowing into one of our exclusive dBX performance mufflers featuring Laminar Flow™ Technology. The dBX muffler delivers a deep performance growl outside, with a moderate interior sound sure to be popular with any enthusiast. The single mandrel-bent tailpipe is a full 3.00-inch for maximum flow and is finished off with a large 4.00-inch polished stainless tip for a look to match the sound. This 50-state emissions legal system also provides the performance and mileage increases your expect from Flowmaster. Includes our Lifetime Limited Warranty for long term quality assurance, while detailed instructions make at-home or professional installation easy. Note: Fits all wheelbases except Std Cab and X-Runner models.


  • 304 Stainless Steel dBX Performance Muffler
  • Mandrel-bent 409 Stainless Steel Tubing
  • Uses the Factory Hanger Locations
  • All Stainless Steel Construction
  • Lifetime Limited Warranty
  • Laminar Flow Technology
  • Easy Installation

About Flowmaster

Flowmaster® is a household name, and for good reason. They've built legendary exhaust systems and mufflers for decades, and now offer performance air intakes, catalytic converters, and headers to give your hot rod performance to match the iconic Flowmaster sound.

Brand Flowmaster
Emission Code5
Exhaust SeriesdBX Series
Exit PositionSingle Side Exit
Heat ShieldNo
Inlet Diameter (in)2.5
Material409 Stainless Steel
Muffler Part NumberKit Only
Muffler Quantity1
Muffler SeriesdBX Series
Outlet Diameter (in)3
Product TypeExhaust System
Single DualSingle
Sound LevelAggressive / Moderate
System TypeCat-back
Tip Diameter (in)4
Tip Length (in)13
Tip Quantity1
Tubing Diameter (in)3
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817615

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.

Fits 2013-2015 Toyota Tacoma with a 4.0L engine. All wheelbases except Standard Cab and X-Runner.

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