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These are the new running boards that Vanamburg makes. I also installed a boondocker tunnel extension with bumper.

Installed a Turbosmart manual boost control and a 45 degree elbow on the intake. Was nice to be able to keep increasing boost for higher elevation with just a twist of the dial. Having the intake higher worked very well,didn't have to knock the snow off it at all and was far enough back that I...

Darren said to keep boost at 6lbs at low elevation. I only use full throttle for around a second on the way back down to the truck on the high boost setting.

I'am no fool and all the facts you have stated I know. The fact is I am very happy with the performance of the MPI kit and that is the end of the story. PS thanks to Darren for all your help!!!! Autopro:D

OK Summitboy I'am on vacation now and I don't want to fight any more,you are right and I'am wrong!!!! Happy now lol :(

I would like to add a manual boost controller so can add boost at higher elevation. When I have the turbo switch on high boost at 5000 ft I have 8 lbs and when I drop down to 2500 it is at 12lbs. I think this turbo adds 9hp per lb?

I installed the MPI 180 turbo kit last winter and it made a night and day difference!!! I am not "really" a turbo EXPERT but after installing the 230 upgrade ,inter cooler,higher pressure fuel system,fuel regulator,fuel remap,E&S clutch set up and 6 turns on the waste gate,I would conclude after...

If the MCX is like my MPI fuel system I would say your fuel strainer and connector hose has fallen off inside the tank. Autopro :D

I run Chevron 94 octane with Amsoil octane boost for a little extra insurance. Boost numbers are 7 to 9 lbs depending on elevation. I currently have tested from 2000 to 4500 ft elevation. I prefer the reflashed Gems AFR over what the 180 kit provided. Autopro :D

I have put 130 miles on the upgrade so far and it has performed great. It is still good for boondocking and has big power on the top end. The primary settings are the same as the 180 kit but put a EPI purple spring in the secondary with 10 deg twist and shockwave 1/2 turn out. Autopro :D

Received the 230 upgrade last Thursday and installed it on the weekend. Install went well and kit quality is outstanding!!! Was not able to try it out because of poor weather conditions but will be out this coming weekend. Thanks Darren Autopro:)

Hi Darren Let me know when the upgrade kits show up,I'll buy one. Autopro:o

I just installed the boost tee with manual switch for above 5000 ft and tried it out this past weekend. Very impressed with the boost increase and performance gain. Boost gauge showed 71/2 lbs at elevation. Thanks Darren Autopro :)

Took my MPI turbo Nytro out today in 2 feet of fresh powder for it's first test runs. Went from 1500 ft to 4000 ft and performance was outstanding. Yamaha should have a turbo on from the factory. It definitely pegs the fun meter. I put on 45 miles with zero turbo performance problems. Only...

Turbo install was very straight forward. Darren was very help full with the questions I had(Much easier now that the install instructions are available on MPI's web site) I was very impressed with the fit and quality of the components. I have installed a lot of performance parts as a mechanic...

Darren,I have received the Turbo kit and the kit looks very well built. I am installing it tomorrow and I will contact you if I have any questions. It looks like the install will be easy. I will post some pics later. Autopro:)

Thanks for the welcome.I most always sled in the Campbell River area mountains.Our season usually runs mid Dec.to the end of May with elevation to 6000 ft. Autopro

Hi everyone glad to become a member.I live on Vancouver Island and have snowmobiled since 1976.I started with a 1972 silver bullet and currently have a 98 jag 340,98 PS 600 and 2008 Nytro MTX.I am a owner of a Napa Autopro for 23 years and sell snowmobile accessories from my location. Thanks Loren