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TOTALFLOW 647 Universal Race Exhaust Muffler - 4 Inch Inner Diameter | 4 Inch Outer Diameter | Diesel Exhaust Muffler

Manufacturer: TOTALFLOW
SKU: 647
$40.50
$32.40

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TOTALFLOW 4" inch diesel straight through performance exhaust mufflers constructed with 409 stainless steel, our race exhaust mufflers designed to allow for maximum free flow—and horsepower. Whether you have a true dual exhaust system or not, our mufflers will make you master the flow & the sound of your exhaust system giving you the max dyno results. Our bullet race exhaust mufflers, resonators and glasspacks & can be a great addition to your on road super custom project. TOTALFLOW mufflers feature a straight through, perforated 409 stainless steel core wrapped with stainless steel mesh acoustic material, making it the ideal mufflers for your next custom exhaust project, allowing for a free flow through the pipe with very little restriction.

 

  • Made from Heavy Gauge 409 stainless steel.

  • Free flow muffler, straight through perforated stainless steel core wrapped with stainless steel mesh to enhances sound, exhaust flow & improves performance.

  • Minimal decibel reduction over open headers for deeper & more Aggressive Sound.

  • Perfect for any custom exhaust project or muffler upgrade.

  • Fully Welded Case.

  • Universal Fitment Compact size muffler - will fit anywhere.

 

FEATURES

MATERIAL

409 Stainless Steel

FITMENT

Universal Fitment

REVERSIBLE MUFFLER

Yes

REVERSAL MUFFLER CONFIGURATION | BI-DIRECTIONAL

Center | Center

MUFFLER TYPE

Mini Race Design

INLET | OUTLET DIAMETER - REVERSIBLE

4" ID | 4" OD

BODY SIZE | SHAPE

5" Round

BODY LENGTH

4"

OVERALL LENGTH

6"

 

*ID = Inner Diameter
**OD = Outer Diameter

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How long does it take to install?

Less Than an Hour Afternoon Full Day Shop Install

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Featured Reviews

TOTALFLOW Verified Customer

01/20/2020
Works great on my 2002 Cummins. Bought a 4” for it just so it could be considered legal. Slight(very very slight) reduction in noise and no tone difference, but was to be expected. Would recommend this product. However, I did receive mine with one slip-on end and one weld-on end which was disheartening. Never the less, I made it work.

TOTALFLOW Verified Customer

12/15/2019
This product is great if your looking to pass inspection for having a muffler but yet still have a loud exhaust. I put it in a 2005 lly duramax and I didn’t notice any difference over straight pipe. Would buy again

TOTALFLOW Verified Customer

12/15/2019
Nice product for the money

TOTALFLOW Verified Customer

12/11/2019
Good quality for the price point. Would use again for a budget project