Exhaust› Mufflers and Resonators
Dynomax Performance Exhaust
ULTRAFLO WELDED MUFF SIDE INLET SIDE OUTLET 25IN BODY
SKU: D01K 17557
Moderate — 2–4 hours
Description
MIA's Description
This muffler utilizes an absorption-type design for effective noise reduction while maintaining performance. It has a 4-inch inlet and a 4-inch outlet with pipe connections. The muffler's construction is 100% welded for durability.
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
| Brand | Dynomax Performance Exhaust |
| Part Number | D01K 17557 |
Videos
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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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