Factory Mounting Locations:
These headers retain your stock catalytic converters and are a direct bolt-on installation which requires no cutting or drilling to provide a hassle-free installation.
Mitered Collectors:
4-to-1 Mitered Merge collectors decrease turbulence and increases exhaust velocity. The result is increased horsepower, torque and improved throttle response.
Heavy Duty Flanges:
A thick, 1-piece flanges prevent warpage to ensure a leak-free seal over the life of the vehicle.
Optimized Tube Lengths:
Tube lengths are optimized for true pulse control technology which improves flow and performance.
Combine With Y-Pipe:
Pair with aFe's MACH Force-Xp Y-Pipe for even better flow-through for additional performance, horsepower and fuel economy. (P/N: 48-44004)
Emissions Disclaimer:
This product is not currently CARB exempt and is not available for purchase in California or for use on any vehicle registered with the California Department of Motor Vehicles.
aFe headers are engineered and manufactured in our Corona, California manufacturing facility.
- Constructed out of 16-gauge, 1-3/4" mandrel-bent stainless steel tubing for unrestricted flow
- 4-to-1 mitered merge collectors eliminates flow-block turbulence seen on formed collectors
- Optimized tube lengths improve flow and performance
- 100% hand MIG-welded construction ensures optimal strength and durability
- Potential for up to +18 horsepower and +26 lbs. x ft. of torque when combined with aFe's y-pipe (P/N 48-44004)
- Also Fits Cadillac Escalade/GM Tahoe/Yukon/Suburban/Yukon XL (See list below) Read More
Installation Notes:
Professional installation required.
Fitment & Application:
- 2019 GMC Yukon XL V8 5.3L
- 2019 GMC Yukon Base/Denali V8 6.2L
- 2019 GMC Sierra 1500 LTD V8 5.3L
- 2019 Chevrolet Tahoe V8 5.3L/V8 6.2L
- 2019 Chevrolet Suburban V8 5.3L
- 2019 Chevrolet Silverado 1500 LD V8 5.3L
- 2019 Cadillac Escalade Base/ESV V8 6.2L
- 2018 GMC Yukon XL V8 5.3L
- 2018 GMC Yukon Base/Denali V8 6.2L
- 2018 GMC Sierra 1500 V8 5.3L
- 2018 GMC Sierra 1500 Base/Denali V8 6.2L
- 2018 Chevrolet Tahoe V8 5.3L/V8 6.2L
- 2018 Chevrolet Suburban V8 5.3L
- 2018 Chevrolet Silverado 1500 V8 5.3L/V8 6.2L
- 2018 Cadillac Escalade Base/ESV V8 6.2L
- 2017 GMC Yukon XL V8 5.3L
- 2017 GMC Yukon XL Base/Denali V8 6.2L
- 2017 GMC Yukon Base/Denali V8 6.2L
- 2017 GMC Sierra 1500 V8 5.3L
- 2017 GMC Sierra 1500 Base/Denali V8 6.2L
- 2017 Chevrolet Tahoe V8 5.3L/V8 6.2L
- 2017 Chevrolet Suburban V8 5.3L
- 2017 Chevrolet Silverado 1500 V8 5.3L/V8 6.2L
- 2017 Cadillac Escalade Base/ESV V8 6.2L
- 2016 GMC Yukon XL V8 5.3L
- 2016 GMC Yukon XL Base/Denali V8 6.2L
- 2016 GMC Yukon Base/Denali V8 6.2L
- 2016 GMC Sierra 1500 V8 5.3L
- 2016 GMC Sierra 1500 Base/Denali V8 6.2L
- 2016 Chevrolet Tahoe V8 5.3L/V8 6.2L
- 2016 Chevrolet Suburban V8 5.3L
- 2016 Chevrolet Silverado 1500 V8 5.3L/V8 6.2L
- 2016 Cadillac Escalade Base/ESV V8 6.2L
- 2015 GMC Yukon XL V8 5.3L
- 2015 GMC Yukon XL Base/Denali V8 6.2L
- 2015 GMC Yukon Base/Denali V8 6.2L
- 2015 GMC Sierra 1500 V8 5.3L
- 2015 GMC Sierra 1500 Base/Denali V8 6.2L
- 2015 Chevrolet Tahoe V8 5.3L/V8 6.2L
- 2015 Chevrolet Suburban V8 5.3L
- 2015 Chevrolet Silverado 1500 V8 5.3L/V8 6.2L
- 2015 Cadillac Escalade Base/ESV V8 6.2L
- 2014 GMC Yukon XL 1500 V8 5.3L
- 2014 GMC Yukon XL 1500 Base/Denali V8 6.2L
- 2014 GMC Yukon Base/Denali V8 6.2L
- 2014 GMC Sierra 1500 V8 5.3L
- 2014 GMC Sierra 1500 Base/Denali V8 6.2L
- 2014 Chevrolet Tahoe V8 5.3L/V8 6.2L
- 2014 Chevrolet Silverado 1500 V8 5.3L/V8 6.2L
Brand | aFe Power |
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Part Number | AFE-48-44003 |
Shipping Method | UPS/FedEx/USPS Ground |
Availability | Possibly special-order. Call or email to check stock. |
California Prop 65 Warning |
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