SKU:AFE49-44126-B
aFe
aFe Large Bore-HD DPF-Back Exhaust System - 4 in 409SS w/ Black Tip | 2020-2026 GMC Sierra 2500HD
aFe Large Bore-HD DPF-Back Exhaust System - 4 in 409SS w/ Black Tip | 2020-2026 GMC Sierra 2500HD
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The aFe Large Bore-HD 4in DPF-Back Exhaust System fits the 2020-2026 GMC Sierra 2500HD 6.6L L5P Duramax and delivers increased horsepower, torque, and throttle response.
Product Overview
This DPF-back system uses 4in mandrel-bent 409 stainless steel tubing for maximum strength and durability on the L5P Duramax.
A mitered merge collector reduces turbulence and boosts exhaust velocity. The system finishes with dual 5in diameter black 304 stainless steel intercooled clamp-on tips featuring a riveted aFe POWER logo plate.
It bolts to factory hangers and mounting locations for a clean install. Some cutting may be required per the instruction sheet.
Features & Specifications
- Fits: 2020-2026 GMC Sierra 2500HD 6.6L L5P Duramax
- 4in mandrel-bent 409 stainless steel tubing
- Dual 5in black 304 stainless intercooled clamp-on tips
- Mitered merge collector for higher exhaust velocity
- 100% MIG-welded construction
- Bolts to factory hangers and mounting locations
- aFe POWER logo plate riveted on tips
- Some cutting may be required per instructions
- All necessary hardware included
Fitment
This part fits the following vehicles:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2020-2026 | GMC | Sierra 2500 HD | AT4 |
| 2024-2026 | GMC | Sierra 2500 HD | AT4X |
| 2020-2021 | GMC | Sierra 2500 HD | Base |
| 2020-2026 | GMC | Sierra 2500 HD | Denali |
| 2024-2026 | GMC | Sierra 2500 HD | Denali Ultimate |
| 2022-2026 | GMC | Sierra 2500 HD | Pro |
| 2020-2026 | GMC | Sierra 2500 HD | SLE |
| 2020-2026 | GMC | Sierra 2500 HD | SLT |
Shipping & Returns
Shipping & Returns
Products that are in stock ship within 1-3 business days of being ordered. Please note some items are made to order, or could be out of stock. If you have any questions regarding stock please contact us through the live chat or email and we would be happy to help
Warranty Info
Warranty Info
All warranties are through the manufacturer, they will be facilitated by State Side Performance (some manufacturers require the end user contact the manufacturer directly to facilitate the warranty, in that case we will recommend you contact the manufacturer. Please contact us by Email if you have any questions or concerns regarding a warranty claim.
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Free Shipping for Non Oversize Items of $250
More info on shipping policyFree 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.
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Return Policy
More info on refund and return policyReturns must be UNOPENED, UNUSED, HAVE ALL ORIGINAL PACKAGING, BE IN NEW CONDITION, HAVE A VALID RMA, BE WITHIN A 30 DAY RETURN WINDOW FROM THE DATE OF PURCHASE.