Description

Walton Motorsport BMW S55 Exhaust Manifold

Suitable for Right Hand Drive and Left Hand Drive Vehicles

There is a huge amount of F8X Platform M3 and M4s out on the roads and a huge amount of owners who want to get more power from their engines. The single turbo conversion method is to remove the miniature OEM turbos and replace them with a larger motorsport unit. Our manifold is designed to maximize flow, which lowers EGTs and takes some of the stress out of the engine, allowing it to make more power across the rev range. Our S55 Manifold allows the fitment of Garretts G35 series, and the most popular G35-1050 model. We chose to utilize the G-Series as they produce huge power in a tiny package. 

There’s no shortage of BMW S55 exhaust manifolds available. What sets the Walton Motorsport version apart from the competition is our construction methods.

The Kit

The full BMW S55 Single turbo kit utilizes our manifold, with a 3.5″ Downpipe. a 4″ Intake pipe and boost pipe divided to meet an OEM fitment charge cooler. The hose kit contains Oil and Water lines for the Turbo, along with blanks for the unused oil feed/return ports. If using a custom build exhaust the downpipe is supplied with clamp and mating face of the V-Band.

BMW S55 Exhaust Manifold Construction

Material Selection

• First and foremost not all 304 Stainless steel is created equal. We carefully select the exact specification of the tube that we use. The use of a poor-quality tube can compromise the whole design. For Instance, exhaust manifolds experience repeated high-temperature cycles. In these situations, we have seen poor tubing split along the seam.
• 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 Motorsport’s 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 dramatically increases the durability of the manifold, rather than using the traditional method of welding the tube to the face of the flange. Moreover, our approach also solves 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.
    • The centerpiece of the manifold is our in-house designed cast collector. Our latest collector design features the highest wastegate flow we have ever achieved on a merge collector, all without compromising on power-reducing turbulence and high EGTs. This is achieved by sourcing exhaust gasses from a wider opening with the smoothest possible transitions. The casting process allows for a seamless design, preventing any break up of the collector and eliminating potentially harmful turbo and engine failures.

More information on our methods can be found HERE

Lifetime Warranty

Bombproof? We haven’t found out yet. Our exhaust manifolds have been designed put up with some serious abuse though. We offer a lifetime warranty on our products as many do. However, we put a huge emphasis on the strength and durability of our products to stop them from failing. The biggest inconvenience when it comes to a failed manifold (providing none of it ends up inside your turbo or engine) is removing it for repair. By eliminating the failure in the first place, we can honestly say it would be extremely unlikely to experience a failure of our products. Consequently, We wouldn’t sleep well at night if our product failed and cost you a result

BMW S55 Exhaust Manifold Features

• Carefully selected 304 Stainless steel tube. Working to eliminate the risk of material failure.
• Fully Purged welded. Subsequently improving gas flow leading to increases in power and lowered response times.
• Ported Merge Collector Welded Internally and Externally. Resulting in high strength, durability and turbo lifespan.
• Fully Smoothed Head Ports designed to optimize gas flow, resulting in an increase of power and lowered response times.
• Optimized for use with Turbosmart Gen-V Power Gate 60 Wastegates.
• Lifetime Warranty against manufacturing faults and defects.
• Supplied with 60mm V-Band Wastegate Flange.

For further questions or custom options please get in contact HERE or on +44(0)1494 715206. [email protected] or Facebook Messenger