Both are very close in price both are ball bearing both are great turbos the GT37r is a little more in price. This is going to be a very fun kit! We are look through everything to make a very good price kit that is good for up to 1000 HP! And with this ket just to let you guys kno you will not need a boost controller the wastegates have controller between 5 and 20 psi i dont know who would be going over 20 psi.
Last edited by SupremacyCustoms; 04-19-2010 at 09:42 PM.
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