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Flowmaster530513 50 Series Big Block Muffler - Single, Offset, Gray, Aluminized Steel, Minor Modifications

Part #: F13530513 | Mfr #: 530513

In Stock
Ships out in 1-2 Business Days
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5 5 out of 5 stars
(2 customer reviews)


List Price: $251.01

Save: $58.99



  • Series: Flowmaster 50 Series Big Block
  • Material: Aluminized Steel
  • Color/Finish: Gray
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Sound Level: Mild
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-On or Weld-On (Recommended)
  • Body Length: 22 in.
  • Case Shape: Oval
  • Height: 5 in.
  • Inlet Location: Center (Dual)
  • Inlet Quantity: Dual
  • Inlet Size: 3 in.
  • Internal Construction: Chambered
  • Outlet Location: Offset
  • Outlet Quantity: Single
  • Outlet Size: 3.5 in.
  • Overall Length: 28 in.
  • Warranty: 3-year Flowmaster limited warranty
  • Width: 12 in.

Product reviews

by , April 7, 2011

Ease of Use/Installation:
Overall Rating:

This was easy to install with a lift and welder. Great V8 sound without the vibrating or rattling, like other mufflers. Loud enough to let everybody know without waking the neighbors. Would recommend adding a coat of high temp paint to help with the rust.

A+ Performance product by , December 3, 2008

Ease of Use/Installation:
Overall Rating:

I use flowmaster products on all my vehicles simply because they are the best in my book. I like the sound and performance of the product.