johno Donating Members 773 Member For: 14y 7m 13d Gender: Male Location: Mt Gambier, SA Posted 07/03/13 09:58 AM Share Posted 07/03/13 09:58 AM My APS system passes a noise test in SA. Dont know the reading though. Standard dump. Link to comment https://www.fordxr6turbo.com/forum/topic/84222-street-legal-exhaust-90db/page/2/#findComment-1369641 Share on other sites More sharing options...
Bellato Donating Members 2,713 Member For: 14y 7m 4d Posted 07/03/13 10:17 AM Share Posted 07/03/13 10:17 AM I've seen 398 but I think nizpros gone further with the frank pack.Got me wondering whether I should go stock dump or upgrade going for 320. I heard the midrange increase is worth it Link to comment https://www.fordxr6turbo.com/forum/topic/84222-street-legal-exhaust-90db/page/2/#findComment-1369644 Share on other sites More sharing options...
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