Exhaust Mufflers and Resonators

Thrush

Welded Oval Muffler 2.25-Inch Inlet/Outlet, 13-Inch Shell

$105.99

SKU: 17658

In Stock
In Stock
Ships by Aug 5
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Thrush Welded Muffler, model 17658, is designed to deliver the power and sound favored by automotive enthusiasts. Its two-chamber design contributes to improved exhaust flow, producing a deep, aggressive tone that has been a staple for hot rodders for over 40 years. This muffler is constructed from durable aluminized steel with a fully welded assembly, ensuring longevity and resistance to wear. Key specifications include an oval body measuring 4 inches by 9 1/2 inches, with a 13-inch shell length and a 19-inch overall length. The inlet and outlet are both 2.25 inches and feature an offset configuration. This model is designed as a universal fit, sold individually. Thrush products are known for being quality-built and competitively priced, offering a balance of performance and sound without compromising on construction. The fully welded nature of this muffler enhances its durability and extends its service life, making it a reliable choice for exhaust system upgrades.

MIA's Description

The Thrush 17658 is an oval welded muffler featuring a two-chamber design for improved flow and a deep, aggressive tone. Constructed from aluminized steel with fully welded seams, this muffler is built for durability and extended wear. It includes a 2.25-inch offset inlet and a 2.25-inch offset outlet, with a 13-inch shell length and a 19-inch overall length.

Fitment

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Specifications

BrandThrush
Part Number17658
CategoryExhaust

Buy with Confidence

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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