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10-18-2020, 03:34 PM | #1 |
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Anyone has any experience with products from GRWA performance?
Found a chinese supplier (GRWA) for e92 m3 exhaust, and I was just curious if anyone has bought anything from them (link below):
https://exhaustperformance.en.made-i...MW-E92-M3.html It looks like a copy of valveteronic designs or bomiz?? |
10-20-2020, 03:33 PM | #3 |
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Here's a thread with some more info and a video from someone who bought a valved set up from them: https://www.m3post.com/forums/showth...1686392&page=2
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