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Flowmaster

Flowmaster 70 Series Chambered Muffler

Part # 53071 Be the first to write a review

70 Series - 3.00 Offset In / 3.00 Center Out - Mild Sound

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Body Material

Inlet Diameter

Inlet Location

Outlet Inside Diameter

Outlet Location

Flowmaster 70 Series Chambered Muffler

Estimated Ship Date: 08/31/2026
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$249.95
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The 70 series utilizes Flowmaster's Delta Flow® technology and an enlarged case for improved sound control along with mileage and power gains. Perfect for use on trucks, SUV's, RVs, tow vehicles and high performance street cars where space allows. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

Features:

  • Improved Horsepower, Torque and Engine Efficiency
  • Mild to stock exterior exhaust tone
  • Minimal interior resonance
  • Recommended for SUV/trucks/motorhomes/tow vehicles
Body Height5.00 IN
Body Length22.00 IN
Body MaterialAluminized Steel
Body Width10.00 IN
Brand Flowmaster
California Proposition 65No
CategoryExhaust
Clamps IncludedNo
ColorBlack
Emission Code5
Exhaust Tip Quantity0
Sold Separately
FinishHigh-Temperature Paint
FitmentUniversal
Grade TypePerformance
Hanger IncludedNo
Heat Shield AttachedNo
Inlet ConnectionSlip-Fit
Inlet Diameter3.00 IN
Inlet Inside Diameter3.00 IN
Inlet LocationOffset
Inlet Outside Diameter3.13 IN
Inlet Quantity1
Inlet TypeClamp-On
Weld-On
Mount TypeUses New Hangers (Not Included)
Muffler Series70 Series Big Block
Muffler TypeChambered
Outlet ConnectionSlip-Fit
Outlet Inside Diameter3.00 IN
Outlet LocationCenter
Outlet Outside Diameter3.13 IN
Outlet Quantity1
Outlet TypeSingle
Overall Length28.00 IN
part typeExhaust Muffler
Product TypeStreet Mufflers
ReversibleNo
ShapeOval
Sound LevelMild
Sub CategoryMufflers
TunableNo
Universal Or Specific FitUniversal
Vehicle TypeClassic Muscle Car
Street/Strip
Truck/SUV
UPC700042014477
Part Number53071
5

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.
Instructions - Flowmaster Warranty 26 Update.pdf
Instructions - street_applications.pdf
Universal Muffler - Some adaptation may be required.

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