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Hey guys, I have a 2013 S5, 6mt. When I bought the car a few months ago it had stock test pipes, down pipes to an AWE touring catback. Yesterday I replaced the test pipes and downpipes with JHM catless test pipes and downpipes. Sounds good down low but pretty much anything over 3k rpm sounds very raspy, like a trumpet. Disssapointed but I know these V6's are tricky to get sounding right. Any recommendations? Bottleneck resonators on the dowpipes maybe? High flow cats? Any tips are appreciated!
 
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