Exhaust› Exhaust Pipes, Systems and Components

PPE

3-Inch Stainless Steel Downpipe with Titanium Sleeve

$197.99

SKU: SHS28897

In Stock
In Stock
Ships by Aug 29
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The PPE 3-Inch Stainless Steel Downpipe is a direct replacement part for 2017-2026 6.6L Duramax Silverado 3500 HD models. It is crafted from 304 stainless steel and features a raw steel finish. This downpipe is sized at 3 inches and includes a woven titanium sleeve designed to reduce engine bay temperatures.
Show original supplier description
The PPE 3-Inch Stainless Steel Downpipe offers an improved replacement for your factory downpipe, specifically designed for the 6.6L Duramax Silverado 3500 HD models from 2017 to 2026. Constructed from durable 304 stainless steel, this downpipe is built to last and features a raw steel finish. Its 3-inch diameter is optimized for performance, while the integrated woven titanium sleeve serves to reduce engine bay temperatures, contributing to overall efficiency. Installation of this PPE downpipe is straightforward and does not require any drilling, making it a simple upgrade for your truck. The package includes one downpipe, and installation is estimated to take approximately one hour with a simple difficulty level. No installation guides are currently available for this specific part. This downpipe is engineered to fit 2017-2026 6.6L Duramax Silverado 3500 HD models. It is a direct replacement part, ensuring a proper fitment for the specified application.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandPPE
Part NumberSHS28897
CategoryExhaust

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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