Doug Thorley Headers® THY-481Y-LSO-C - 304 SS 4-2-1 Tri-Y Exhaust Headers

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$913.13
OUT OF STOCK - Unavailable until further notice
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Product Details

304 SS 4-2-1 Tri-Y Exhaust Headers by Doug Thorley Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.25". This complete header kit makes huge increases in power output of your 5.6L Nissan. Tri-Y (or 4 into 2 into 1) style headers by design will increase the power of your motor across the widest RPM band possible. That is the beauty of the design and that is why they are the best street header available. Made out of T304 stainless steel and then ceramic coated inside and out, these headers are the ultimate in quality and performance that you can install on your Nissan! This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at an affordable cost.

Specifications

Header Material: 304 SS
Primary Diameter: 1.625"
Collector Diameter: 2.25"
Attachment Method: Factory flange connection
Collector Attachments: Factory Flange Connection
Header Style: 4:2:1 Tri-Y Header
Material: T304 Stainless Steel
Finish: Silver Ceramic Coated
Weld Up: No
Primary Tube Diameter: 1-5/8"
Primary Tube Gauge: 14 Gauge
Collector Attachment: Factory flange connection
Collector Diameter: 2-1/4"
Tuned: No
Flange Thickness: 3/8"
Hardware Included: Yes
Gaskets Included: Re-use factory gaskets
Reducers Included: No
Y-Pipe (Crossover) Included: No
Catalytic Converter(s) Included: No
Warranty: Limited Lifetime to original purchaser

Features

  • Made to provide unequaled quality and reliability
  • Made with the use of the latest technologies
  • Guaranteed to provide ultimate strength and durability

The Tri-Y Headers is designed with an emphasis on maximum low and mid range torque, while making ample horsepower throughout the RPM range. The 4:2:1 Tri-Y headers design makes it the ideal choice for trucks, tow-rigs, RV's and most street applications. The collector design makes this header one of Doug's most efficient, which means you'll see improvements both on the dyno and at the pump.

A Doug Thorley Headers original design, the 4:2:1 collector specification on the Tri-Y Headers is engineered to match your engine's firing order and thereby maximize exhaust scavenging - the complete expulsion of gasses on the exhaust stroke. The Tri-Y design creates more usable power and torque than any other headers design, making it the headers of choice for enthusiasts who want the most bang for their buck.

For over 50 years, Doug Thorley Headers has been an innovator in the automotive aftermarket. Driven by a passion for performance and superior quality, they are committed to developing 100% American-made products that will reliably deliver maximum horsepower and torque. Doug Thorley Headers® has been pushing the limits of automotive technology since they first invented the Tri-Y header in 1958, and they do it all on American soil.

Part Number:
THY-481Y-LSO-C
UPC:
812721020744
Alternate MPN:
THY481YLSOC

Vehicle Fitment

Infiniti
QX56 2004-2009
Nissan
Armada 2004-2015
Patrol 2010-2016
Titan 2004-2015
Titan XD 2016

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Doug Thorley Headers® THY-481Y-LSO-C - 304 SS 4-2-1 Tri-Y Exhaust Headers
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