Go back and read my statement. No where in my statement did I talk about Gas mileage. I have 4.10's,and on the highway, hearing your exhaust screaming at you at 60-70-and 80 MPH(the "Drone" at a higher rpm) is the downside to having a shorter rear gear. Thats what I was explaining to him,not gas mileage/effenciency.
My apologies. My Flowmaster catback never droned though...I think that depends on your setup.
OP,
Go to www.photobucket.com. Start an account and upload your pictures there. Then you can post them here. Copy the links straight from Photobucket. You want the links with the
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