2009-2018 Chevrolet Silverado 1500 - MACH Force-Xp 3" 409 Stainless Steel Cat-Back Exhaust System

Part#:
49-44071-B
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Test Results:
In testing, the cat-back exhaust system resulted in gains up to + 14 horsepower and + 17 lbs. x ft. of torque, as measured on our in-house dyno (tested on 2014 Chevrolet Silverado V8-5.3L)
aFe power introduces the MACH Force-Xp cat-back dual exhaust system for the 2009-2019 Chevrolet Silverado/GMC Sierra 1500 with V6-4.3L & V8-4.8L/5.3L engine. This dual exhaust system is constructed out of 3" 100% MIG-welded, mandrel-bent, stainless steel tubing for maximum flow. The smooth transition bends allow for low turbulence, increasing horsepower, torque and improved throttle response. A free-flow single-in dual out muffler is included which improves performance across the power band while maintaining an awesome sound. In testing, the cat-back exhaust system resulted in gains up to + 14 horsepower and + 17 lbs. x ft. of torque, as measured on our in-house dyno (tested on 2014 Chevrolet Silverado V8-5.3L). Finishing off this exhaust are dual 4-1/2" diameter black tips. The tips comes with a laser-cut aFe Power badge riveted on for an aggressive style.

Installation is a Snap:
This MACH Force-XP exhaust system includes an extension tube for regular cab/long beds and uses factory mounting locations providing stability and hassle-free installation. A bolt on hanger mount is used to support the driver side tube.

Leak-Free Seal:
High quality band clamps are used for a complete 360-degree sealing surface eliminating leak paths.

Aggressive Sound:
A straight-through designed, free-flowing stainless steel muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque.

Perfect 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. This makes for an easy installation with no cutting required.

4-1/2" Dia. Black Tip:
Finishing off this system are dual 4-1/2" diameter, black, stainless steel tips. The tips come with a laser-cut aFe Power badge riveted on for an aggressive style.

This System Fits:
Standard Cab/Short Bed (119" Wheelbase/6.6 Ft. bed)

Emissions Disclaimer:
This product does not require a CARB EO#

All aFe exhaust systems are engineered and manufactured in our Corona, California facility.
  • Instructions
  • Dyno Chart


Vehicle Applications

Year Make Model SubModel Engine Fuel
2009-2018Chevrolet Silverado 1500 V6 4.3L Gas
2009-2013Chevrolet Silverado 1500 V8 4.8L Gas
2009-2018Chevrolet Silverado 1500 V8 5.3L Gas
2009-2018GMC Sierra 1500 V6 4.3L Gas
2009-2013GMC Sierra 1500 V8 4.8L Gas
2009-2018GMC Sierra 1500 V8 5.3L Gas
More Information
Weight73.00 lbs
Parent Product TypePerformance Upgrades
Product TypesExhaust Systems
BrandAdvanced Flow Engineering
MakeChevrolet
ModelSilverado
Year2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018