What material is this muffler made from?

This muffler is constructed from 304 stainless steel, which is known for its excellent corrosion resistance. The TIG welded construction also adds to its strength and durability.

What are the exact dimensions of this muffler?

The muffler has a 4-inch OD inlet and outlet. The round body is 4-3/4 inches in diameter, and the overall length is 5 inches.

Does this muffler come with any warranty?

Yes, this Stainless Works race muffler comes with a five-year limited warranty from the manufacturer.

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Stainless Works

Specifications

Brand: Stainless Works
Part #: RM40
UPC: 00887753439680

Stainless Works

Stainless Works 4in OD 4.75in Body 5in Length Race Muffler

Name: Stainless Works 4in OD 4.75in Body 5in Length Race Muffler
Brand: Stainless Works
SKU: stainless-works-stainless-works-4in-od-4-75in-body-5in-length-race-muffler-t14-482766
Price: 179.52 USD
Availability: BackOrder

$179.52

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Stainless Works 4in OD 4.75in Body 5in Length Race Muffler. Features a perforated core for improved exhaust flow.

Key Features

This muffler fits vehicles with 4in OD exhaust systems.
Constructed from 304 stainless steel for strong corrosion resistance.
Features a perforated core to help increase exhaust flow.
The round body measures 4.75 inches in diameter.
Overall length of the muffler is 5 inches.
TIG welded construction adds strength and durability.

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About this part

Product Details

Built from 304 stainless steel, this race muffler is designed for maximum corrosion resistance. It features a 4-inch OD inlet and outlet with a perforated core, which helps improve exhaust flow. The round body measures 4-3/4 inches in diameter and the overall length is 5 inches, finished with a mill finish.

The TIG welded construction ensures strength and durability for this muffler. While it's a universal fit, it's a solid option if you're building a custom exhaust system or replacing a damaged muffler where a 4-inch diameter is needed. It comes with a five-year limited warranty and is proudly made in the USA.