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scarab500s

06-09-2014 02:16 PM

GGB exhaust inserts

Has anyone had any luck at noise reduction with these inserts on dry 4" pipes on 560 hp NA? Or any other suggestions?

bor	06-09-2014 03:23 PM

I had them made a set for my 3" dry exhaust on my ls whit 560 hp that is real loud ,they make the noise far less nasty as it was very sharp ,downside is I lost a few mph on top end

fountain4play

06-09-2014 03:32 PM

I have a couple of sets of 6" inserts on my motors but mine are wet exhaust. They do quiet it down a bunch. Can't help with dry exhausts though... Jim

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