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Side dump exhaust on 4 strokes

Wheel House Motorsports

Well-known member
Lifetime Membership
Im already messing with my yamadoo to get my header setup the way i want it as i dont like version 1... so im thinking instead of dumping exhast out the roll for the chaincase in the belly pan, dumping it out the side panel... i will link a picture to give an idea of where im thinkin about going with it. I know it will be a LOT louder, i was just worried about carving and bogging issues... check back with info, i know some 2 strokes have issues, just curious about the 4 bangers.

heres a side shot, i was thinkin right at the front of the orange rectangle on the side, its not super high, but its also recessed, so might help.. i would just open up the notch for that has mesh on the front. where the ornage gets smaller, that is mesh where going up in front of it, you cant really see it, but its there.

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they never have bog issues with a tunnel dump so what you want wont be a prob unless you come to a complete stop with the exaust under the snow .sometimes but not often they will bog a little when you go to take off again,but i only had my tvec do it a couple of times in 5 years when the snow was crazy deep.one other thing if you do your exaust that way make sure your a/f sensor is as far as you can keep it from the exit of the pipe they dont like moister it will kill them.:beer;
 
i was just curious as i know that people have had issues with 2 stroke turbos, but was curious about how it affects 4 strokes... and i worked on it today, its comin out the last opening in that side vent, so its way up high, and also, my AFR gauge is sitting about 2" past the turbo, so its basically as far away as i can get it...

its gonna suck to get passed with this thing!
 
i was just curious as i know that people have had issues with 2 stroke turbos, but was curious about how it affects 4 strokes... and i worked on it today, its comin out the last opening in that side vent, so its way up high, and also, my AFR gauge is sitting about 2" past the turbo, so its basically as far away as i can get it...

its gonna suck to get passed with this thing!
 
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