Sale

Exhaust Mufflers and Resonators

Stainless Works

Stainless Works 2.5in ID CENTER INLET/ 2.5in OD OFFSET OUTLET 4inX8in

$349.00 $331.55 Save $17.45

SKU: S00K TM4S25C25O

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Special Order
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$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Stainless Works Turbo S-tube Muffler (MPN: TM4S25C25O) is a universal-fit muffler made from 304 stainless steel, featuring a 2.5-inch ID center inlet and a 2.5-inch OD offset outlet. It has a 4 x 8 x 14-inch body, an 18-inch overall length, and an exclusive louvered core for an aggressive tone.
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Part #: TM4S25C25O

Turbo S-tube muffler, Made from 304 stainless steel for maximum corrosion resistance. This muffler has 2-1/2" ID center inlet and a 2-1/2" OD offset outlet with a 2-1/2" core and shell size 4" x 8" x 14" with an overall length of 18" with a mill finish. Stainless Works is the only manufacturer to make the body, core, and packing out of 304 stainless steel. Exclusive louvered core creates a sweet "Street Rod" deep tone that is very aggressive. These are TIG welded for strength and durability. These kits come with a lifetime warranty and proudly made in the USA.

Turbo S-tube muffler, 304 stainless steel with 2-1/2" ID center inlet / 2-1/2" OD offset outlet with 2-1/2" core shell size 4" x 8" x 14" and overall length of 18" with a mill finish.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandStainless Works
Part NumberS00K TM4S25C25O

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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