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

Stainless Works · New

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

MPN RM40 · Store SKU sswRM40

$187.00
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Supplier stock checked 11/8/2026, 2:15:47 AM UTC. Adding a part does not reserve it.

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Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.

Product details

Race muffler, Made from 304 stainless steel for maximum corrosion resistance. This muffler has 4" OD inlet and outlet with perforated core, 4-3/4" diameter round body with an overall length of 5" with a mill finish. These are TIG welded for strength and durability. These kits come with a Five year limited warranty and proudly made in the USA. Race muffler, 304 stainless steel 4" OD inlet / outlet with a perforated core, with 4-3/4" body with the overall length of 5" and a mill finish. Stainless Works Race 4" Muffler

Manufacturer fitment & guides

Check RM40 against the manufacturer’s application information below.

A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.

Part-specific notes

  • California Proposition 65: Y
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