Replace Both cats after the turbo. For maximum exhaust flow and increased turbo spool up, HKS offers Off-Road down pipes and front pipes for race use. Each 75mm mandrel down pipe and front pipe is a bolt on application that will mount to the stock turbo. Stainless steel coated. Fits Turbo Subaru WRX. Retail: $199.00
I can't thank Himni enough for your awesome customer service and technical help. The turbo parts fit perfect. My new favorite turbo shop!
- Chris Y.......
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I called and placed my order over the phone. I had a bunch of questions and the lady was kind and very helpful. She made sure I got all the right......
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