Vibrant Performance 1137 Exhaust Muffler

Part Number
STREETPOWER Oval Muffler; 4 in. Inlet/Outlet; Center/Center; w/5 in. Tip
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Vibrant Performance has one of the most complete offerings of mufflers & resonators for all segments of the industry. Our "true straight through" internals feature a stainless steel perforated tube that is wrapped in our premium quality, multi-layer sound suppression materials that will produce a low, deep tone while allowing for unrestricted flow and maximum horsepower. Vibrant Performance mufflers & resonators are the perfect fit and suitable for all naturally aspirated and forced induction applications.

BRAND: Vibrant Performance


  • STREETPOWER Oval Muffler; 4 in. Inlet/Outlet; Center/Center; w/5 in. Tip;
  • Stainless Steel
  • True Straight Through Perforated Internals
  • 5 Year Limited Warranty
  • Premium Quality Multi-Layered Sound Absorption Materials
  • STREETPOWER Oval Muffler
  • Produces A Low Deep Exhaust Tone
  • Unrestricted Flow And Maximum Horsepower
  • 4in.IDSSOvalMufflrCntr-Cntr


Body Length15.000 in.
Inlet Inside Diameter4.000 in.
Inlet PositionCenter
Main Piping Diameter4.000 in.
Material304 Stainless Steel
Outlet Outside Diameter4.000 in.
Outlet PositionCenter
Outlet TypeSingle; Straight Cut; Single Wall
Overall Length20.000 in.
Tip Quantity1


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