AMS Performance Mitsubishi Lancer Evo X "Widemouth" downpipe

  • AMS Performance Mitsubishi Lancer Evo X "Widemouth" downpipe
  • AMS Performance Mitsubishi Lancer Evo X "Widemouth" downpipe
  • AMS Performance Mitsubishi Lancer Evo X "Widemouth" downpipe
Producer: AMS Performance
Product code: AMS EVOXDWP
Car make: Mitsubishi
Car model: Lancer Evo X
Engine code: 4B11
705,82 EUR
672,42 EUR
Before we process the order with this product, the prepayment in the amount of 336,21 EUR may be required. Detailed information will be provided in the order summary, before its placement.

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For: Mitsubishi Evolution 10 GSR and MR Models (only left hand drive)

The AMS EVO X "Widemouth" Downpipe is the most power producing and well designed downpipe on the market. After months of development and testing we have created the best flowing downpipe possible. Using a CAD designed cast o2 housing we were able to obtain every angle we wanted for maximum flow and perfect fitment.  

OEM Design Leaves Room For Big Improvements 

The turbine outlet on the stock EVO X turbo is a cast piece with a rather complex geometry.  It hugs the back of the turbo pretty tightly and has a small diameter outlet, necking down to around 2.25” before it enters the actual downpipe.  The discharge from the turbo’s internal wastegate is introduced right at the point where the exhaust flow exits the turbine and the entire gas flow is then forced to make a tight turn all in a small area. 

This creates a lot of turbulence and if the exhaust gas volume is increased by running other power increasing mods, this juncture is an area where a lot of backpressure will be created.  Due to the space constraints, it is real hard to design a low backpressure fabricated tubular part to fit in the area allowed that is actually better than stock. 

Removing Restrictive Design Constraints Allows For Maximum Power 

By making the turbine outlet section a casting, we were able to maximize the tight space allowed for your o2 housing and downpipe.  By using three dimensions to make a higher volume, straighter path from the turbine housing to the downpipe itself  we achieved the best exhaust flow and power increases without sacrifice.  This downpipe provides more than enough flow for anything from stock to the biggest upgraded turbos available making it the last one you will ever have to buy! 

Better Than OEM Quality, Durability And Fitment 

Unlike the competition, our downpipe is completely made of 304 cast stainless steel, including the flex section and flanges, for rock-solid durability. No thin, cheap tubing that can crack over time from engine movement and give you headaches down the road. Precise fitment makes for ease of installation and we provide all of the gaskets and hardware needed.  We even incorporated a bung for a wideband gauge with a plug included.

  • Best flowing design available, completely replaces o2 housing and downpipe
  • 100% cast Stainless Steel construction. No mild steel flanges or cheap tubing
  • Stainless steel high quality flex section
  • 15+ Wheel Horsepower gains over stock
  • Bolts up to the factory catalytic converter
  • Wideband bung and plug
  • Includes ALL gaskets and necessary hardware
  • Unrivaled fit and finish
  • 304 cast Stainless Steel
  • 3” diameter at its smallest point
  • 304 stainless steel flex section

Tech specs:
AMS Performance
Exhaust type:
Stainless steel
Power gain:
to 15 WHP
12 months
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12 months guarantee - Warranty is granted by the producer for a period of 12 months.

12 months guarantee
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