• Stainless Works Redline 304SS Cat-Back Exhaust System w/ 4 in Matte Black Tips | 2020-2022 GMC Sierra 3500HD - Stateside Performance - Catback - Stainless Works - Stainless Works Redline 304SS Cat-Back Exhaust System w/ 4 in Matte Black Tips | 2020-2022 GMC Sierra 3500HD
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SSWFT220CBR-B

Stainless Works

Stainless Works Redline 304SS Cat-Back Exhaust System w/ 4 in Matte Black Tips | 2020-2022 GMC Sierra 3500HD

Stainless Works Redline 304SS Cat-Back Exhaust System w/ 4 in Matte Black Tips | 2020-2022 GMC Sierra 3500HD

$1,895.25 USD
$1,895.25 USD
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The Stainless Works Redline Catback fits the 2020-2022 GMC Sierra 3500HD and delivers a true dual 3in 304 stainless exhaust with an aggressive Redline sound level.

Install Difficulty: DIY Possible
Bolts to factory hangers and connects to OEM or Stainless Works headers; typically installs in 90-120 minutes with a vehicle lift, longer on jack stands.

Product Overview

This catback uses 3in mandrel-bent 304 stainless tubing with an X-pipe muffler and dual S-tube mufflers for a deep, classic Redline tone.

Dual 4in matte black slash-cut tips exit behind the passenger rear tire for a clean factory-style routing.

Bolts to your OEM manifolds or pairs with a Stainless Works header system for a full performance exhaust setup.

Features & Specifications

  • Fits: 2020-2022 GMC Sierra 3500HD
  • 3in true dual catback configuration
  • 304 stainless steel construction
  • X-pipe muffler with dual S-tube mufflers
  • Dual 4in matte black slash-cut tips
  • Exits behind passenger rear tire
  • Connects to OEM or Stainless Works headers
  • Classic Redline sound level
  • Fits 2WD and 4WD applications

Fitment

This part fits the following vehicles:

Year Make Model Submodel
2020-2022 GMC Sierra 3500 HD AT4
2020-2021 GMC Sierra 3500 HD Base
2020-2022 GMC Sierra 3500 HD Denali
2022 GMC Sierra 3500 HD Pro
2020-2022 GMC Sierra 3500 HD SLE
2020-2022 GMC Sierra 3500 HD SLT
âš  Submodel Fitment: If your submodel is not listed in the fitment table above, we cannot confirm fitment. Please contact us before purchasing to verify.

Shipping & Returns

Tracking is typically provided within 3–5 business days; items shipping direct from the manufacturer may take 5–7. Some items are made to order or may be backordered. Questions about stock? Reach us through live chat or email.

Warranty

All warranties are through the manufacturer and are facilitated by Stateside Performance. Some manufacturers require the end user to contact them directly; in that case we will point you to the right contact. Email us with any warranty questions.

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  • Free shipping over $250

    Free shipping applies to items that are shipped via ground through UPS or FedEx and are over $250 going to the continental 48 states. This does not apply to Alaska or Hawaii, and does not apply to any item(s) that are shipped via freight or with any other option other than ground shipping.

    Shipping policy 

  • 30-day returns

    Returns must be requested within 30 days of delivery. Parts must be new, unused, uninstalled, and in original packaging, with an RMA. Some items are final sale.

    Return policy