I just ordered one and haven't seen any reviews on the external dump version. Just want to know what your experience and opinions are and how much should I be able to gain on the stock turbo and stock motor on e85.

 

Ttt

 

I just installed one on my Evo about a month ago. It's definitely one of my favorite mods by far. I like how loud it is under w.o.t. It's a lot of fun! I'm running stock turbo and 93 octane pump gas

 

Cool! I'm running e85. Did you get a tune afterwards?

 

We had a customers evo x in the shop in which we installed our STM o2 housing/downpipe in the atomspheric dump configuration and the car picked up 14 hp, and 9 Ft/lbs of TQ with an ebay exhaust. I cant speak on the MAP downpipe. But here is some results from what ours picked up.


-Ethan
www.stmtuned.com

 

That's pretty good for a mustang dyno.

 

I also have the stm O2 dump downpipe on my car and going from the stock O2 housing to that I picked up .2 and 2 mph in the 1/4. Not exactly sure how much power it picked up but they work!

 

I need a tune desperately. I'm on a stage 3 91 octane ACN map and I know I'm not making as much power as I should be

 

Im on e85. Love the dump tube. Dont know exactly what the gains were and also one of my favorite mods

 

This is on my list of purchases also look forward to seeing what others say.

 

I just got mine in the mail yesterday. I will be installing it and getting tuned right after nxt week.