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Exhaust› Mufflers and Resonators

Flowmaster

70 Series Big Block II Muffler, 2.50" Offset

$281.95 $224.95 Save $57.00

SKU: FLO52573

In Stock
In Stock
Ships by Jul 29
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Flowmaster 70 Series Big Block II muffler is a chambered muffler designed for a mild exterior exhaust tone. It features a 2.50 inch offset inlet and a 2.50 inch offset outlet, with an oval body measuring 22 x 10 x 5 inches. This muffler is constructed from 16 gauge aluminized steel and finished with high-temperature paint. It is a universal fit product recommended for trucks, SUVs, RVs, tow vehicles, and high-performance street cars.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandFlowmaster
Part NumberFLO52573
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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