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Exhaust routing change needed Randy Harp 1-13-15  
Great Forum! we just picked up a 2002 31W Fleetwood Bounder motorhome with the 8.1 gas and overall in great shape but we have some holes in the exhaust pipe and I need to replace the exhaust piping from the Mufflers back and I want to run the exhaust all the way out the back of the motorhome instead of to the side where it is now. The exhaust comes right out into the living area side of the motor home. is there any reason I would not want to do this? any other concerns of running it out the back?
Re: Exhaust routing change needed BUBBA THE BUS TECH 1-14-15  
Unless you have a money tree in the back yard you want to route as original. There are a couple reasons:

1st Power loss and fuel economy loss. Unless you go to bigger pipe (Expensive) the extra pipe will loose you 20% fuel economy and roughly eqivalent power.

2nd You really don't want all that extra heat under your RV especially in places Fleetwood didn't expect.

3rd: Due to the weird way aerodynamics work on a RV (or any large box on the highway) you are going to get a lot more exshaust inside the unit from a rear dump verses the stock side dump system. This is why most large trucks use Stacks.
Re: Exhaust routing change needed Randy Harp 1-14-15  
Great info! I will stick with original configuration. Thanks!
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