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Jun 11, 2008 | 10:34 AM

#5 (permalink)

Mimi05SRT6

Senior Member

Joined: Apr 2008

Posts: 2,665

Likes: 5

From: Orlando, FL

Re: Does anyone notice their gas milage decrease with the new muffler?

Quote:

Originally Posted by HyprLtH20

my mpg only went up.. not by much though. but you shouldnt be loosing mpg..

I agree. I removed my rear cats and I think it slightly went up, not positive but it just appears to have.

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