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Exhaust pros n cons

623 Views 8 Replies 4 Participants Last post by  derv
Anybody got any actual before and after results gains losses best choice etc
I'm trying to compare systems to fit into an ongoing project
3 inch with mufflers
3 inch straight
4 inch with mufflers
4 inch without mufflers
All from turbo back

Thankyou

Thankyou
1 - 2 of 9 Posts
We really need to know about your project and what's being done and what the project is being used for to really be able to give you a helpful answer.
Yea if your having to buy one then the Diamond Eye 4" with a open center muffler is nice. But it sounds like a 3" system would would be more then enough with a open center muffler.

I have the stock 3" system with a open center muffler on my Fummins and it's not holding me back.
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