They should be able to do an exhaust system but the cost for minimal benefit is prohibiting for me.
Apparently it will only provide an extra 3-4kw at the engine so that is about 1-2kw at the wheels from memory.
I have the downpipe on my car at the moment and with the intake and retune it's a noticable step up from Stage 1.
APR have my oem pipe and i believe are working on a mass production version.
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