GBGN1
BP Performance Transmissions LLC
- Joined
- May 26, 2001
- Messages
- 1,680
I'm running summit flow master welded knock offs and I don't like them. Looking for a better alternative -in 3 inch. Or super dyno max ?
Magna flow xl turbo mufflers? Or?
- Thread starter GBGN1
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buickGN3:16
Active Member
- Joined
- Jun 29, 2012
- Messages
- 755
Get a " straight thru " style muffler because turbo motors dont like chambered mufflers
