Due to the current COVID-19 pandemic, we are experiencing delays on shipping some products. ×

Twisted Steel Long Tube Header & Y-Pipe 409 Stainless Steel w/ Cat

Dodge/RAM 1500 09-19 V8-5.7L HEMI
Part Number: 48-42010-YC

Regular Price: $2,164.21

Special Price $1,839.58

MSRP: $2,576.44


Our Twisted Steel long tube header and y-pipe added an astounding +32 HP and +44 lbs. x ft. TQ as verified by our in-house dyno.

Twisted Steel Long Tube Headers Features:

  • 16-Gauge, 1-3/4 IN Mandrel-Bent Stainless Steel Tubing for Unrestricted Flow
  • 3/8 IN Thick, Laser-Cut, Head Flanges Designed to Match the Head Port for a Leak-Free Seal
  • 4-to-1 Formed Merge Collectors Eliminate Flow Blocking Turbulence
  • Optimized Tube Lengths Improve Flow and Performance
  • 100% Hand MIG Welded Construction Ensures Optimal Strength and Durability

Y-Pipe Features:

  • High-Flow, 400 Cell Catalytic Converters for Improved Flow
  • Mandrel-Bent 3 IN into 3-1/2 IN Stainless Steel Tubing for Better Flow and Added Power
  • True 2-to-1 Mitered Merge Collector Eliminates Dead Zones for Improved Flow
Read More

Test Results:
Added an astounding +32 HP and +44 lbs. x ft. of TQ as verified by our in-house dyno

Long Tube Headers:
Formed Collectors:
4-to-1 formed collectors decrease turbulence and increases exhaust velocity. The result is increased horsepower, torque and improved throttle response.

Optimized Tube Lengths:
Tube lengths are optimized for true pulse control technology which improves flow and performance.

3/8 IN Laser-Cut Flanges:
These headers come with 3/8 IN thick laser-cut head flanges and gaskets that are designed to match the head port for a leak-free seal.

Dual High Flow Catalytic Converters:
This system utilizes 400 CPSI (cell per square inch) catalytic converters are used for maximum flow.

Constructed of mandrel-bent dual 3 IN stainless steel piping which transitions into single 3-1/2 IN piping to reduce back pressure and improve flow.

True Merge Collectors:
Eliminates dead space that can cause turbulence and hinder flow.

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 header and y-pipe are designed to fit in the stock location with an included extension pipe which allows this system to fit without modification. This system incorporates OE style hangers, flanges and includes O2 extensions for a hassle-free installation.

Fitment Note:
This item will not fit models with 120.5 IN wheelbase

Race Disclaimer:
This is a Race Only product that is to be used solely for competition, it cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws. To complete the purchase of this item, aFe POWER competition acknowledgement/liability release form must be filled out and submitted.

All aFe POWER headers and Y-Pipe systems are engineered and manufactured in our Corona, California manufactured.


Vehicle Applications

Year Make Model SubModel Engine Fuel
2009-2018Dodge 1500 HEMI V8 5.7L Gas
2019-2019Dodge 1500 Classic HEMI V8 5.7L Gas
2011-2018RAM 1500 HEMI V8 5.7L Gas
2019-2019RAM 1500 Classic HEMI V8 5.7L Gas
Reviews (1)

Customer Reviews (1)

Overall average

Average Ratings By Category:

  • Quality
  • Value
  • Easy Install

1 Item(s)

These headers are not only impressive looking but they add an...
These headers are not only impressive looking but they add an incredible amount of performance not to mention they sound AMAZING! A must have in my opinion!
  • Quality
  • Value
  • Easy Install
Review by Jake W. / Posted on 7/8/2016

Regular Price: $2,164.21

Special Price $1,839.58

MSRP: $2,576.44

Add to Cart

Please wait...

Item has been added to your shopping cart

Keep Shopping

View Shopping Cart

Item has been removed from your shopping cart

Keep Shopping

View Shopping Cart