Exhaust› Mufflers and Resonators

Flowmaster

40 Series Delta Force Race Muffler 40 Series Race Muffler 409SS 3.50 Center In 3.50 Center Out -Aggressive Sound Flowmaster

$405.50

SKU: F00L 8435409

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

Moderate — 2–4 hours

Description

The Flowmaster 40 Series Delta Force is an oval race muffler designed for aggressive sound and enhanced exhaust flow. Constructed from durable, fully welded 16-gauge 409 stainless steel, it features a two-chamber design with no internal packing to prevent blowouts. This muffler has a high-temperature paint finish and a 3.50-inch center inlet and a 3.50-inch center outlet.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

Available on iOS & Android

Specifications

BrandFlowmaster
Part NumberF00L 8435409

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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