Dynomax Performance Exhaust

0913 SILVERADO/SIERRA 1500 4.8/5.3L CC/SB/EXT CAB/SB 32.5IN CAT BACK SYS ULTRA

Name: 0913 SILVERADO/SIERRA 1500 4.8/5.3L CC/SB/EXT CAB/SB 32.5IN CAT BACK SYS ULTRA
Brand: Dynomax Performance Exhaust
SKU: D01K 39499
Price: 1042.35 USD
Availability: InStock

$1,042.35

SKU: D01K 39499

Special Order

Ships in 4–6 weeks

Free Shipping

Non-Returnable Item

DIY PRO SHOP

Moderate — 2–4 hours

Description

The Dynomax Ultra Flo Exhaust System (MPN 39499) is a dual 3"/2.5" cat-back system with an Ultra Flo Welded Muffler, constructed from 100% welded stainless steel. It features a straight-through design that flows up to 2,000 SCFM, supports up to 2,000 HP, and utilizes Continuous Roving Fiberglass (CRF) Technology for sound absorption, maintaining a deep performance tone. It is backed by a Limited Lifetime Warranty and a 90-Day Performance & Sound Guarantee, designed for easy bolt-on installation, is 50-state legal, and includes chrome/polished tips.

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 39499

Videos

DynoMax Exhaust | Cat-Back Exhaust System Install on 2010 Chevy Silverado 1500

2012 Silverado 5.3 with Dynomax 39495/39497 Exhaust

How Loud is Dyno-Max Ultra- Flo Exhaust?

Dynomax super turbo vs dynomax ultraflow welded

DynoMax® Exhaust | Ultra Flo® Welded Round Muffler Sound

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