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Afe

aFe Victory Series 4in 409-SS DPF-Back Exhaust w/ Dual Black Tips 2017 GM Duramax V8-6.6L(td) L5P

SKU: AFE49-44089-B

Exhaust Systems

AFE Exhaust DPF Back...

Afe

Afe

aFe Victory Series 4in 409-SS DPF-Back Exhaust w/ Dual Black Tips 2017 GM Duramax V8-6.6L(td) L5P

SKU: AFE49-44089-B

Exhaust Systems

AFE Exhaust DPF Back...

A$2,613.93
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Exclusive Afe flash sale discount at StreetFX!

Talk about timing! This is a limited offer while stocks last on various Afe part numbers. There's never been a better time to buy your Afe upgrades, so what are you waiting for?!

This item is currently on sale!

Same-day payment required to secure promotional price. Promotions may end early or be extended based on stock levels or other factors.

DPF-Back Exhaust

Simple Installation: All systems use factory mounting locations providing stability and hassle-free installation. Leak-Free Seal: High quality band clamps are included for a complete 360 degree sealing surface. OE Fit: OE-style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The bayonet tip holds the hanger bushing in place for an OE-style fit that does not change with time. Flow and Performance This exhaust system is constructed of 4" mandrel-bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT's. 5" Diameter Black Intercooled Tips: Finishing off the exhaust are 5" diameter, Hi-Temp black, stainless steel straight cut tips with intercooling vents designed to reduce exhaust gas temperatures at the tailpipe. A unique stainless steel laser-cut aFe Power logo plate is riveted on for an aggressive style. **Cutting stock exhaust is required.

Additional Information

Rebel XD Series 4 IN 409 Stainless Steel DPF-Back Exhaust w/Dual Black Tips GM Diesel Trucks 17-19 V8-6.6L (td) L5P

Data: v4.2 - Upd: 2026-11-09 11:19:06

Features

  • Factory Mounting Locations For A Quick Hassle Free Installation
  • High Quality Band Clamp
  • Mandrel Bent Stainless Steel Tubing
  • Massive Dual Black Stainless Steel Intercooled Tips
  • OE Style Bayonet Hangers For Secure Fitment
  • Tips w/Laser-Cut Stainless Steel aFe Power Badge

Important Notice relating to US Domestic Market Trucks & Pickups

Many US-market trucks and pickups are available in multiple cab and bed-length configurations (e.g., Single Cab, Extended Cab, Double/Crew Cab, CrewMax, 5.5ft/6.5ft/8ft beds, etc.). Exhaust system fitment can vary between these chassis versions.

Where available, we list all compatible vehicles, cab types, and bed lengths in the product description. However, depending on your exact configuration, some systems may require optional extension/mid-pipes or minor modification for correct fitment.

Because of these variations, please carefully check your cab configuration and bed length before purchasing. If you are unsure, or if your vehicle has been modified, please reach out to a StreetFX agent.

(keyword: dpf-back)

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Description:Rebel XD Series 4 IN 409 Stainless Steel DPF-Back Exhaust w/Dual Black Tips
Exhaust Type:DPF-Back
Exit Position:Rear
Inlet Inside Diameter:4
Part Number:afe49-44089-B
Tip Size:5
Tubing Diameter:4

Product Downloads

# Document Type Download
1. Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-11-07 15:42:50

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Afe, Afe Power
StreetFX SKU afe49-44089-B
SFX Item ID 4369796
Accounting SKU afe-49-44089-B
Manufacturer SKU 49-44089-B
Manufacturer UPC 802959600993
Alternative References AFE-49-44089-B

Exhaust System, Rebel XD Series, Single, 409 Stainless Steel, DPF-Back, Dual Powdercoated Black Aluminum Tip, Chevrolet, GMC, Diesel, Kit

Designed for diesel pickups, aFe Rebel XD Series exhaust systems perform as well as they look. Made with mandrel-bent stainless steel tubing to improve exhaust flow for more horsepower, torque, and lower EGTs (exhaust gas temperatures), Rebel XDs are MIG-welded for durability and include high-quality hardware to provide a quick, hassle-free installation. Finished with dual polished or black stainless steel tips with intercooling vents, they are the perfect combination of performance, value and style.

Key features of aFe Rebel XD Series exhaust systems:
• DPF-back (diesel particulate filter) and downpipe-back styles
• Stainless steel construction for endurance
• Smooth transition bends for low turbulence and lower EGTs
• Mufflers use a straight-through perforated core with heat-resistant packing to reduce backpressure and maximize flow
• Intercooled tips reduce EGTs at the tailpipe
• Tips badged with laser-cut, riveted-on aFe logo plates
• OE-style bayonet hangers stabilize pipe location
• Bayonet tips hold hanger bushings in place for an OE-style fit
• OE mounting locations used for hassle-free installation
• High-quality band clamps for leak-free 360 degree sealing
• Some cutting may be required on some cab configurations

Note: Some aFe Rebel XD Series exhaust systems are "Race Only" products sold solely for competition use. Their use is limited to closed-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state, and federal laws.

Product Attributes
UPC802959600993
BrandAFE Power
NotesCutting stock exhaust is required.
Tip CutStraight
QuantitySold as a kit.
Part TypeExhaust Systems
Tip ShapeRound
Tip FinishBlack painted
Exhaust TypeSingle
Product LineaFe Rebel XD Series Exhaust Systems
System StyleParticulate filter back
Tip IncludedYes
Tip Material409 stainless steel
Tip Quantity2
Exit LocationPassenger side
System FinishNatural
Inlet Quantity1
Tip Edge StyleNon-rolled edge, single-wall
System Material409 stainless steel
Muffler IncludedNo
Hardware IncludedYes
Special AttentionIt is illegal to install parts or components that bypass, defeat, or render inoperative the manufacturers’ technology and design necessary to reduce vehicle emissions to meet state and federal Clean Air Act standards.
Tip Outlet Size (in.)5.00
Tailpipe Diameter (in.)4.00 in.
Manufacturer's Part Number49-44089-B
Catalytic Converter(s) IncludedNo
Intermediate Pipe Diameter (in.)4.00 in.

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