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Dynomax Performance Exhaust

ULTRA FLO WELDED SS SYSTEM 9907 CHEV 1500 / GMC 1500 SS EXHAUST SYSTEM

$1,063.99 $685.00 Save $378.99

SKU: D01K 39311

In Stock
In Stock
Ships by Jun 10
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Dynomax Performance Exhaust 39311 is an Ultra Flo Welded Single System made of stainless steel for lifelong protection and features a 100% welded design for maximum durability. The straight-through design ensures unrestricted exhaust flow, reduces back pressure, and is dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower. It uses Continuous Roving Fiberglass (CRF) Technology to absorb unwanted interior resonance while maintaining a deep performance tone.

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 39311

Videos

Dynomax Ultraflo Exhaust on 2000 Sierra

Dynomax Ultraflo Exhaust on 2000 Sierra
07 Sierra 4.8L dynomax ultra flo ss exhaust

07 Sierra 4.8L dynomax ultra flo ss exhaust

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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