Description
Walton Motorsport Mitsubishi Evo 4-9 Exhaust Manifold OEM Fitment Inconel 625
The Mitsubishi EVO needs a little extra power from the factory. A great way to increase the power is with a tubular manifold. Designed as a direct replacement for OEM fitment on EVO 4-9. These manifolds are ideal when reaching the higher EGTs of motorsport
There’s no shortage of Mitsubishi Evo 4-9 exhaust manifolds available. The construction methods we use set our product apart from our rivals.
Mitsubishi Evo 4-9 OEM Exhaust Manifold Construction
Material Selection
- The super alloy Inconel 625 remains stronger at higher EGTs than Stainless Steel, this allows the exhaust manifold to deal with higher EGT quite often present in motorsport use, especially when turbo restrictors are involved.
- We design the head flanges in-house. However, we outsource the precision Fiber Laser Cutting. The use of more modern Fiber Laser cutting allows for increased accuracy over traditional laser cutting
Processes
- Where the manifold meets the exhaust ports, Walton Motorsports process is to push the tubing through the head flange and TIG weld each side. This process is followed by a selection of finishing tools. We do this to create a smooth port for the gasses to freely flow through. Consequently, this process greatly increases the durability of the manifold. Rather than using the traditional method of welding the tube to the face of the flange. Moreover, our method is where we also face the problem of an oval port needing to transition smoothly to a round tube. The stubs process, in short, helps increase power through the improved flow.
More information on our methods can be found HERE
Mitsubishi Evo 4-9 OEM Exhaust Manifold Features
- Fully OEM Compatible.
- Inconel 625 Primary Pipes. Inconel Flanges can be provided at request.
- 10mm 304 Stainless Steel Head and Turbo Flanges.
- Purged Weld tacks and Back Purge TIG Welded for improved flow
- Collector fully welded inside and out to maintain strength and turbo lifespan.
- Fully Smoothed Head Ports designed to optimize gas flow. As a result, providing an increase in power and lowered response times.
For further questions please get in contact HERE or +44(0)1494 715206. You can also contact us at [email protected] or Facebook Messenger
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