Exhaust› Exhaust Pipes, Systems and Components

Protech

FRAME DECK COVER SS 108L (9FT) W/GL

$1,429.94

SKU: P08D 35-5490SS

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

T409 stainless steel downpipe-back exhaust system for 2020-2026 GM 2500/3500 6.6L Duramax L5P. Enhances airflow, durability, and horsepower. Features heavy-duty, mandrel-bent construction, leak-free connections with high-quality flanges, and pre-welded contour-bent hangers. Includes all necessary clamps and hardware. For off-road use only; requires aftermarket tuning. Installation on emission-controlled vehicles may violate local laws.

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

BrandProtech
Part NumberP08D 35-5490SS

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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