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Flowmaster 53073 - Flowmaster 70 Series Big Block II Mufflers

  • Muffler, Big Block II 70 Series, 3 in. Inlet/3 in. Outlet, Steel, Aluminized, Each
  • Special Shipping Notice
    • Order this part now and get Totally Free Shipping—includes free handling and delivery via standard ground shipping anywhere in the Continental United States.
  • Application Specific
  • Estimated Ship Date: 5/29/2012
 
BrandFlowmaster
Manufacturer's Part Number53073
Part TypeMufflers
Product LineFlowmaster 70 Series Big Block II Mufflers
Summit Racing Part NumberFLO-53073
UPC700042014491
 
Case ShapeOval
Inlet Diameter (in)3.000 in.
Inlet QuantityOne
Inlet LocationOffset
Outlet Diameter (in)3.000 in.
Outlet QuantityOne
Outlet LocationOffset
Internal ConstructionChambered
Muffler MaterialSteel
Muffler FinishAluminized
Case Length (in)22.000 in.
Overall Length (in)28.000 in.
Thickness (in)5.000 in.
Width (in)10.000 in.
Outlet StyleStandard, without tip
QuantitySold individually.
 

These 70 series Big Block II mufflers are designed around a large case, for maximum volume and efficiency. They're 2 in. narrower than the original Big Block muffler, making them easier for installation in tight areas. Other features include a mild, mellow exhaust tone and a resonant tuning chamber for reduced interior sound levels.

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