Exhaust Mufflers and Resonators

Flowmaster

80 Series Chambered Muffler 80 Series Crossflow 2.50 Offset In 2.50 Same Side Out Aggressive Sound Flowmaster

$447.73

SKU: F00L 52580

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This Flowmaster 80 Series muffler produces an aggressive muscle car sound for crossflow applications where the muffler is mounted in front of the rear axle, ideal for side exit exhaust setups. It's constructed from 16 gauge aluminized steel, fully MIG welded for durability and corrosion resistance, and finished with a high-temperature black paint. The oval shape and offset inlet/outlet design offer versatile installation. It requires slip-fit clamp-on and weld-on connections (clamps and hangers not included), and some adaptation may be necessary for optimal fit. This muffler is not reversible and is intended for crossflow exhaust setups with side outlet configurations.

Fitment

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Specifications

BrandFlowmaster
Part NumberF00L 52580

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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