So much gunk building up on the Performance Exhaust Valves
Clean the tips with degreaser/water also if the regular car wash soap and a brush isn't working.
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On that note - I'm going to stop hijacking Munis' thread now.
@Munis - I looked in to that Seafoam spray posted above. If I end up trying it before you do, I'll post an update. Let me know if you find a good solution too!






