Sale

Exhaust› Exhaust Pipes, Systems and Components

Dynomax Performance Exhaust

HEAVY DUTY MUFFLER

$214.99 $102.34 Save $112.65

SKU: D01K 21470

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

Moderate — 2–4 hours

Description

The Dynomax 21470 is a heavy-duty muffler designed for performance and durability. It features a 31-inch case length, a 7-inch outside diameter, and 3.5-inch inlet and outlet diameters, both located centrally. The internal construction utilizes a perforated tube design, and the muffler is made from steel with a natural finish and a straight tip outlet style. This muffler has an overall length of 37 inches and is sold individually.

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

BrandDynomax Performance Exhaust
Part NumberD01K 21470

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.

View Full Return Policy