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AFE Mach Force XP Muffler 49-91002
PART#
49-91002 | SKU AFE49-91002
★★★★★
Vehicle Fitment For:
Universal - 4" Inlet/Outlet x 30" Length
$185.00
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Description
The AFE Universal fit 409 Stainless Steel Performance Muffler is designed to provide a deep, throaty, powerful sound on acceleration but maintain a smooth sound at idle. This muffler is constructed of brushed finished 409 stainless steel and uses a straight through perforated core with heat resistant packing to reduce backpressure and maximize exhaust flow. You will see increased performance and improved throttle response over the factory exhaust.
Muffler Specifications: 4" ID Inlet/Outlet x 30" Overall Length, 8" Body Diameter.
Muffler Specifications: 4" ID Inlet/Outlet x 30" Overall Length, 8" Body Diameter.
Features:
- 409 Stainless Steel Construction
- 4"ID Inlet/Outlet by 30" Overall Length
- Straight-Through Design
- Peforated Core Design Ensures Maximum Flow
- Features am Embossed AFE Power Logo
Manufacturer Warranty*:
2 Year
2 Year
Reviews For AFE 49-91002
Overall Rating
/5
5 Reviews
Rating Snapshot
5
0
0
0
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Verified Buyer
Great noise reduction
Ryan (MO) | October 31st, 2025
Great quality muffler, especially for the price, really knocked down the noise in the cab, but still has a good tone.
Verified Buyer
Quiet but can still hear the legendary 12 valve sound
Colby (Sioux City) | March 29th, 2024
Had a 4 inch straight pipe, put this muffler on. Got rid of the really bad drone and just loudness. Much more comfortable in the cab. Can still hear the 12 valve just as good too.
Verified Buyer
Great choice
J (Detroit, MI) | December 1st, 2023
Truck sounds stock inside the cab again and no more drone but just the right amount of throat when you get on it.
Verified Buyer
Perfect Setup
Zack H (NC) | April 29th, 2022
Absolutely the best if you're wanting performance without the noise. My Duramax came straight piped and this cut down on the noise drastically without affecting my EGT temperatures. Completely open 4" all the way through.
Verified Buyer
AFE MACH FORCE XP MUFFLER 49-91002
Larry U (Dumas, TX) | March 21st, 2022
Love this muffler. No drone at any speed and GREATLY reduced turbo hiss. I have already recommended to a friend. If you are looking for a quieter ride, this is your muffler.
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Frequently Asked Questions
Is this a direct fit or does it need to be welded?
The AFE Mach Force XP Muffler 49-91002 is a direct 4” ID fit muffler and does not require welding.
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Specifications For AFE 49-91002
MPN
49-91002
SKU
AFE49-91002
GTIN
802959499047
ID
14004
Manufacturer Name
AFE
Shipping Weight
18.00 lb.
Shipping Length
8 in.
Shipping Width
8 in.
Shipping Height
36 in.
Fuel Type
Diesel / Gas
Manufacturer Warranty*
2 Year
Prop 65
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
Internal
L11R9
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