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My 93 is in dire need of new exhaust, and I am going to try a similar setup, but with 2.25" pipe and the 17747 muffler, IF that long 20" muffler will fit under the considerably shorter RS.

FWIW I measured the stock muffler...it is exactly 20" long, so the 20" Dynomax should fit no problem, even under an RS Trooper.

So, my Trooper is at the shop and will get the above muffler/tailpipe put on in the next few days, but I will be out of town on business until Friday...I can report how it is performing then.

Regarding Flowmaster...I've heard it said that Flowmaster is more about sound than performance...but have no facts to back that up, so as usual take internet scuttlebut with a large grain of salt...

Steve Carlson - 95 Trooper LS expo rig
Serenity now!