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Mark Rinker
07-17-2006, 13:28
Decided to cut out the old 'Electrolux' muffler from the 2001 LB7 and replace it with a chunk of 3.5" straight pipe.

Sound at idle and cruise is barely louder than stock. Under full acceleration, there is a nice throaty exhaust note, but nothing that draws attention to the truck.

Wondering if I'll see any mileage gain...the 'experiment' will begin next week!

Kennedy
07-18-2006, 06:43
My prediction: It will be neat for a while and then you'll get sick of it and would never even consider doing it again...

ronniejoe
07-18-2006, 08:48
A friend of mine has been running his 01 that way since it was new.

Mark Rinker
07-18-2006, 08:50
Admittedly, I haven't heard the drone with a trailer in tow. I have a feeling it might get tiresome under those conditions.

As stated, an experiment...a 4" complete system will likely follow.