Long Tube Tri-Y Headers w/ X-pipe Connector Pipes
2011-14 Ford Mustang
5.0L V8
Part# THY-291Y-L-C

Header Style: 4:2:1 Long-Tube Tri-Y Headers 
Header Material: Steel
Finish: Silver Ceramic Coated
Weld Up: No
Primary Tube Diameter: 1-7/8"
Primary Tube Gauge: 16 Gauge
Collector Attachment: Slip-fit
Collector Diameter: 2-1/2"
Tuned: No
Flange Thickness: 3/8"
Bolts and/or Studs Included: Re-use factory
Gaskets Included: Re-use factory
Reducers Included: N/A
Y-Pipe (Crossover) Included: Yes, include X-pipe
Y-Pipe Material: T304 Stainless Steel
Y-Pipe Inlet Diameter: 2-1/2"
Y-Pipe Outlet Diameter: 3" Dual
Catalytic Converter(s) Included: No
Quantity: Sold as a Complete Kit
CARB E.O. #: NOT LEGAL FOR STREET USE ON POLLUTION CONTROLLED VEHICLES
Warranty: Limited Lifetime to original purchaser

This complete header kit makes huge increases in power output of your 5.0L Coyote powered Mustang. 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. This kit includes long tube tri-y headers and a complete performance x-pipe kit routing exhaust gases all the way to your exhaust system. Install these long tube headers today and feel your Mustang's true power potential!