True Merge Collector:
Eliminates dead space that can cause turbulence and hinder flow that formed collectors are prone to produce.
Leak-Free Seal:
High quality OE style flanges and band clamps are used for a complete 360 degree sealing surface.
Hassle-Free Installation:
The performance y-pipe is designed to fit in the stock location incorporating the OE hanger, flange and O2 sensor locations. Dual
High Flow Catalytic Converters:
Semi-metallic 400 CPSI catalytic converters are used for maximum flow.
Combine With Headers:
Pair with aFe's Twisted Steel Headers for even better flow-through for additional performance, horsepower and fuel economy. (P/N: 48-44003)
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.
- Constructed out of stainless steel for durability
- True 2-Into-1 mitered merge collector eliminates dead zone for improved flow
- Mandrel-bent 3" piping transitions into 3-1/2" piping for better power
- Incorporates high-flow 400 cell catalytic converters for better flow
- No modification to stock exhaust system for hassle-free installation
- Potential for up to +18 horsepower and +26 lbs. x ft. of torque when combined with aFe's Twisted Steel Headers (P/N 48-44003)
Installation Notes:
Professional installation required.
Fitment & Application:
- 2019 GMC Sierra 1500 LTD V8 5.3L
- 2019 Chevrolet Silverado 1500 LD V8 5.3L
- 2018 GMC Sierra 1500 V8 5.3L
- 2018 Chevrolet Silverado 1500 V8 5.3L
- 2017 GMC Sierra 1500 V8 5.3L
- 2017 Chevrolet Silverado 1500 V8 5.3L
- 2016 GMC Sierra 1500 V8 5.3L
- 2016 Chevrolet Silverado 1500 V8 5.3L
- 2015 GMC Sierra 1500 V8 5.3L
- 2015 Chevrolet Silverado 1500 V8 5.3L
- 2014 GMC Sierra 1500 V8 5.3L
- 2014 Chevrolet Silverado 1500 V8 5.3L
Brand | aFe Power |
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Part Number | AFE-48-44004 |
Shipping Method | UPS/FedEx/USPS Ground |
Availability | Possibly special-order. Call or email to check stock. |
California Prop 65 Warning |
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