The SPD 2014-2021 Toyota Tundra 4.6L & 5.7L HX Series Equal Length Over-Axle Dump Cat-Back Exhaust is the most unique Tundra exhaust system in the world.  This true dual 3" T-304 stainless mandrel bent exhaust system will give you the highest performance and best sounding exhaust with ultimate off-road and on-road capabilities.  Our equal length with x-pipe is designed to balance exhaust pressures on both banks and it completely changes the exhaust tone. You will hear your 4.6L or 5.7L engine's true firing pattern and it sounds amazing. Our HX series straight-thru design dual in/dual out 3" muffler has a proprietary hard pack sound dampening material which filters out drone and does not break down and get louder over time. Loose pack (cheaper) sound dampening material will break down from harmonic vibrations and pressure changes in your exhaust system, eventually blowing out your tailpipe or settling on the bottom of your muffler.  Our cnc laser cut and machined flanges have the largest possible inner diameter for best possible flow. New gaskets and hardware are included with each system.  SPD Performance products are Proudly built in the USA! 


Off-road and On-road Capability

Our over-axle dump design has been off-road proven in the harshest environments and it gives you ultimate clearance.  Whether you raise, lower or install long travel suspension, the exhaust system will  never be a problem.  You never have to worry about bending, denting or crushing your tail pipes or tips.  Just send it!!  


Fits all 145.7" Wheelbase Tundras


On all SPD Performance 304 stainless HX Series exhaust, you get:

  • Increased Performance & Power
  • Uniqie Equal Length Exhaust Tone 
  • Ultimate Off-road and On-road Capabilities
  • Larger CNC Laser Cut & Machined T304 Flanges
  • TIG & MIG welded T304 Stainless 3" mandrel bent tubing 
  • Stainless Sure-Seal clamps
  • New gaskets and hardware
  • Built in USA


SPD HX Series Dual Equal Length Exhaust with factory cats 



SPD HX Series Dual Equal Length Exhaust with SPD Catted Downpipes


 

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SPD 2014-2021 Toyota Tundra 4.6L & 5.7L HX Series Equal Length Over-Axle Dump Cat-Back Exhaust

  • Brand: SPD Performance
  • Product Code: HXTTUN14AD
  • Availability: 4 - 6 Weeks Lead Time
  • $1,195.00 & Free Shipping