The difference on Max HP between the 20g and the 50 trim is about 50hp more for the 50trim. However it really is a matter of what your goals are because a 20g is a bolt on to the stock manifold and has alittle faster spool. So figure out what you want first from a setup and then go from there

 

I personally like my 20g

 

well the g50 is cheaper and possibly perform better..my goals are a street legal 400-460 whp...i plan on getting sbr's fuel kit and there manifold...any suggestions? i do want it drive smooth on the road...the clutch i have now causes makor clutch chatter...i have to gas it to 2500rpm to drive it out of first smooth....so any complete set up capable of that whp whil maintaining a budget...how much am i lookin at for this set up....

 

what about this one ???

http://www.mjmturbos.com/New20G.htm

 

if he were to get that 70 trim turbo, he'd have to upgrade the manifold get a o2 housing to fit it and a downpipe, and that would deff not be a smooth ride with that thing in there. He'd have to upgrade everything from fuel to internals, and most likely axles and brakes and all that fun stuff. And i totally agree with the engineer, it all depends on if your lookig to build it up even more later on, it not i would just go with the 20g, because that would be fine for a dd. and once you get into higher hp cars, there a bi*** to drive on a regular basis, and get annoying very quickly once your stuck in traffic or catch all the red lights. And i agree that sbr doesn't have the best customer service, and the parts take way too long to be shipped out and once you get the parts I've sometimes forgotten what i've ordered,lol.