aFe Headers And Y-Pipe Twisted Steel 4.8L/5.3L Chevrolet Silverado/GMC Sierra 2009-2013

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  • 1-5/8" 16-Gauge 409 SS Tubing
  • 4-To-1 Formed Collectors
  • Optimized Tube Lengths
  • 3/8"-Thick 1-Piece Flanges
MSRP $2,127.49
You save 20%

aFe Twisted Steel Headers and Y-Pipe for 2009, 2010, 2011, 2012 and 2013 Chevrolet Silverado 1500s and GMC Sierra 1500s with a 4.8L or 5.3L Engine.

Are you ready to give your 2009-2013 Chevrolet Silverado or GMC Sierra a boost in both horsepower and torque? If so, you definitely need to take a closer look at these aFe Twisted Steel Headers and Y-Pipe from CJ Pony Parts!

Headers Features & Benefits:
- Made of 1-5/8" 16-Gauge 409 Stainless Steel Mandrel-Bent Tubing for Unrestricted Flow
- 4-to-1 Formed Collectors Decrease Turbulence and Increase Exhaust Velocity for Increased Horsepower and Torque and Improved Throttle Response
- Optimized Tube Lengths for True Pulse Control Technology that Improves Flow and Performance
- When Combined with aFe Y-Pipe: Up to 21 HP and 26 lb. x ft. of Torque
- 3/8"-Thick 1-Piece Flanges Prevent Warpage to Ensure Leak-Free Seal Over Life of Pick-Up
- Easy Direct Bolt-On Installation in Factory Mounting Locations: No Cutting or Drilling
- Made in the USA

Y-Pipe Features & Benefits:
- 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 Flow and Added Power
- Incorporates High-Flow 400-Cell Catalytic Converters for Better Flow

These aFe Twisted Steel Headers are made of 409 stainless steel with mandrel-bent tubing that offers unrestricted flow. They also feature 4-to-1 formed collectors that decrease turbulence and increase exhausted velocity to improve horsepower, torque and throttle response.

aFe combines these headers with their Y-pipe to give your pick-up up to 21 extra HP and 26 lb. x ft. of added torque! The included Y-pipe features a true 2-into-1 mitered merge collector that eliminates the dead zone to improve flow, and it incorporates high-flow 400-cell catalytic converters for better flow.

Please Note: The header is not currently CARB-exempt and is not available for sale in California or for use on any vehicle registered with the California Department of Motor Vehicles.

Order aFe (48-44001-YC) Twisted Steel Headers and Y-Pipe for your 2009, 2010, 2011, 2012 or 2013 Chevrolet Silverado 1500 or GMC Sierra 1500 with a 4.8L or 5.3L Engine from CJ Pony Parts today!

Note: This item is not CARB (California Air Resource Board) exempt and is not legal for sale or use in the state of California.

Vehicle Fitment

This product will fit the following Silverado years:

  • 2009,
  • 2010,
  • 2011,
  • 2012,
  • 2013,
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