Twisted Steel 304 Stainless Steel Performance Package – 48-34139

Description

Twisted Steel 304 Stainless Steel Performance Package GM Diesel Trucks 11-15 V8-6.6L (td) LML

Stainless Steel Construction: The headers are constructed out of heavy duty gauge, mandrel-bent 304 stainless steel tubing with a .120″ wall for strength and durability. The up-pipes and down-pipe are constructed out of 2″ and 3″ mandrel-bent 304 brush finished stainless steel tubing.
Optimized Tube Lengths: Tube lengths and mitered collectors are optimized for true pulse control technology which improves flow and performance across the power band.
Heavy-Duty Flanges: A CNC-machined v-band inlet flange and heavy-duty outlet flange provide a secure, leak-free seal.
EGT Ports: Two exhaust gas temperature (EGT) ports are provided with this system. A 1/8 NPT EGT probe port is incorporated into the driver™s side manifold and a M14x1.5 port in the down pipe. This allows for easy installation of sensors, gauges or testing equipment.
4″ Interlock Flex Pipes: The up-pipes utilizes heavy duty 4″ flex tubes with internal interlock liners.
Retains EGR Flange: This system retains the EGR flange.
Factory Mounting Locations: These headers utilize factory locations making it a true bolt-on system, no cutting or drilling required and includes all necessary hardware for a hassle-free installation.
Fitment Note: This item will not fit models manufactured after July 2014 equipped with a 3 bolt flanged down-pipe.
aFe POWER exhaust systems are engineered and manufactured in our Corona, California facility.

  • Includes Heavy-Duty Gauge, .120 Wall Headers, .120 Wall Up-Pipes, and .065 Wall Down-Pipe
  • Brushed Finish 304 Stainless Steel Construction
  • Optimized Tube Lengths, Smooth Transition Bends, and Mitered Collectors Improve Flow
  • Includes 1/8 NPT and M14 Exhaust Gas Temperature Ports

Specification:

Material 304 Stainless Steel
WARNING CA Proposition 65 Yes
WARNING CA Proposition 65 Message WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov

Additional information

Weight 44 lbs
Dimensions 13 × 23 × 48 in
Part Type

Exhaust Header

Make Model Year
Chevrolet Silverado 2500 HD 2011 - 2015
Chevrolet Silverado 3500 HD 2011 - 2015
GMC Sierra 2500 HD 2011 - 2015
GMC Sierra 3500 HD 2011 - 2015