mpi

I have the stage 2 MPI full kit for my 2015 MTX. I notice my MPI exhaust is really heavy, wondering if a light weight exhaust replacement like MBRP might be beneficial for weight loss/handling etc. I am wondering if I would lose HP if the MPI exhaust is in tune with the rest of the sled. What...

Hi guys, first time posting on here. Love this site, it’s helped me solve lots of problems! I’m new to the turbo world, it’s a big learning curve. i have 15 viper with the mpi trail kit I was trying to plumb in a boost gauge this weekend when I came across a series of problems 1. My bov was...

hey. so i picked up a new to me viper with mpi turbo this fall, just a touch over 1000km and currently tinkering and trying to set up and do the recommended mods to make it last and perform better. i usually ride trees but also like to do the odd little hill, and big open meadows. currently i...

2015 Viper with mpi 180 kit that I installed last season Just installed a pcv pti from Allen with his mapping. Also 430 cc injectors, a D&D oval muffler and intake pipe is outside for cold air. Allen said I would be at 210 hp with 6 or 6.5 pounds of boost. He told me to set it at 5 or 5.5 for...

Hi everyone, after installing my mpi 180 trail kit on my ltxse, a little clutch work, primary is machined for overdrive, I hit 109 on my gps. I would like to go a little faster on the lakes and maybe get better fuel mileage on the trail. I'm down to 10 or 11 mpg now. 120 mph should be good, so I...

I currently have an early model MPI kit on my 2014 Viper xtx with the blue boost line running from the Intercooler to the Gems Controller. I also have one of the newer Gems Controllers that has the senor instead of the boost line. What are the advantages of the newer controllers over the...

Hey everyone, I picked up a 2006 Yamaha Apex Mountain. It has a MPI Stage 2 supercharger, stacked head gasket, 25/25 pulley (1:1 ratio), GEMS fuel controller, MPI BOV, custom exhaust, MSD high flow electric fuel pump, factory motor. It's running about 13 lbs of boost at 900 ft elevation. Issues...

hey guys bought a nytro with a mpi supercharger on it and currently has 28/28 tooth pulleys on it mpi told me that it's at 8-9 psi at 450-1400 ft I live in Iowa so it's around 1000ft am I safe with this set up or do I need to drop the bottom pulley to 26t (5-6psi) pulley I'm fine with losing...

Just bought this 08 skinz built supercharged nytro 153 up in U.P. Michigan at pats motor sport and was curious if any one on here owned it before and if you did could you email me at jaredhefler@hotmail.com or post on here. Would like to know more about it. Such as what clutching, is it high...

alright so I just wrapping up oil change and fired sled up. shut it down and now gems controllers are still on, just outside 2 lights flashing tether pulled, key off, unplugged hood, unplugged oft tether, unplugged harness where you piggy back gems and turns off. found isc relay warm and feeding...