Can't seem to find much info about what exhausts people are using on their turbo converted 325s. Obviously the downpipe from the turbo has to be custom but what about the rest of the system.
I'm hoping to to get a little over 300bhp from mine so I need to make sure I won't be restricting the flow but at the same time I don't want to have a stupidly loud exhaust if I can help it.
Any help is appreciated
turbo exhaust?
Moderator: martauto
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ross2009
- E30 Zone Addict

- Posts: 2762
- Joined: Mon Nov 19, 2007 11:00 pm
- Location: In my beemer MAN !!!! st neots CAMBS
mines all custom made it all my self 3 inch straight thro from turbo bk really the bigger the better get them gasses out as quick as poss
when there turboed they are never as loud as a na engine as the turbo quietens them down ive got a 3 inch straight thro back box with 4 inch tail pipe and its not really that loud at all it just burbles
when there turboed they are never as loud as a na engine as the turbo quietens them down ive got a 3 inch straight thro back box with 4 inch tail pipe and its not really that loud at all it just burbles
- blackE30indy
- E30 Zone Camper

- Posts: 1289
- Joined: Sun Mar 30, 2008 11:00 pm
- Location: leicester/uk
I'm running a 3" turbo back aswell,straight through to
just the backbox with twin tips
just the backbox with twin tips


