819144 - Flowmaster dBX Cat-back Exhaust System - default Image
819144 - Flowmaster dBX Cat-back Exhaust System - additional Image
819144 - Flowmaster dBX Cat-back Exhaust System - additional Image
2005-12 Toyota Tacoma 4.0L, Flowmaster dBX Series Exhaust System 819144YouTube Button

Flowmaster dBX Cat-back Exhaust System

Fits 2005 to 2012 Toyota Tacoma with a 4.0L V6 engine.

PART# 819144

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$588.95   Suggested Retail
$529.95   Your Price
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Fits all wheelbases except Standard Cab and X-Runner.


Flowmaster dBX performance exhaust systems utilize patented, race proven, Laminar Flow technology which results in improved power, torque and fuel mileage along with a refined performance tone. The dBX mufflers feature a 304S stainless steel shell for an attractive performance look, and a durable 409S stainless steel core. Utilizing mandrel bent 409S stainless steel tubing and high quality installation accessories, the systems are engineered to provide a perfect bolt-on installation. The systems are also topped off with an attractive 304S stainless steel exhaust tip featuring the company logo.


  • Includes hangers and hardware for easy installation
  • Connects After Factory Catalytic Converter
  • Mandrel bent 16 gauge stainless steel tubing and Stainless Steel muffler assembly
  • Moderate Sound exterior exhaust tone


California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Emission Code5
Exhaust SeriesdBX Series
Exit PositionSingle Side Exit
Heat ShieldNo
Inlet Diameter (in)2.5
MaterialStainless Steel
Muffler Part NumberKit Only
Muffler Quantity1
Muffler SeriesdBX Series
Outlet Diameter (in)3
Product TypeExhaust Systems / Kits
Sound LevelModerate Sound
System TypeCat-back System
Tip Diameter (in)3.5
Tip Quantity1
Tubing Diameter (in)3
Part Number819144


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 all wheelbases except Standard Cab and X-Runner.



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