Supercharged111
Truly Awesome
- Joined
- Aug 20, 2015
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They have a large step-down right after the flange opening
Derr, I wonder then if they're even 1 3/4" after that? Was hoping he'd found some dirt cheap 1 3/4" primary 3" collector units. That is one area I'm definitely leaving some on the table with my dually.