Serra Mazda

HKS

HKS Turbo Manifold

[1/10/2005] Reviewed by: Alex Poczyniak

Applicable to: '90 - '97 1.8 liter

HKS Turbo Exhaust Manifold

I purchased and am using a brand new HKS Turbo Manifold for my 1997 Mx5 1.8 DIY turbo project. Installation of the actual turbo manifold is easy. Removing the stock manifold can be difficult and you will of course need a custom downpipe.

Overall I'm pleased with the quality and value of the manifold. Its a cast unit like the Greddy but appears to be more resistant to cracking. Some may choose to perform stress relieving cuts but I did not. I may regret this later. There is no interference with AC or PS. The outlet is between the 2 and 3 cyclinder. The manifold is setup for any T2 flanged internal wastegate turbos however the outlet faces up and you may have clearance issues with a large turbo. The compressor housing of my little T25 rubbed my hood brace until I notched it. Another consideration is that the HKS manifold does not have a EGR connection so you will need to find the proper fittings and drill and tap it the manifold if your car has an EGR system. PITA. The HKS turbo manifold is one of many turbo manifolds now available for custom miata turbo systems. It costs approximate $250. You can build your own for less or you can spend more for a better flowing design. It depends on your turbo selection and power expectations. Good Luck

Over 30 minutes to remove completely


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12 November, 2006



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