mr2 throttle body

BraveUlysses

New member
It's also restrictive. Many MR2 owners upgrade to the ATS throttle body inlet because it gives a 10hp (dyno proven) increase over the stock unit.
 

sardgt4

New member
I bored out my 91 mr2 turbo inlet, which was given to me by a friend, with a dremel. If you have the 91 inlet thats what id do. No reason to waste money where you dont have to. I also doubt 10hp gains from just the 93 inlet itself unless you are using 2.5" ic piping causing the inlet to become a restriction. If you are using 2" or 2.25" ic piping I dont see how the inlet can become a restriction because even the 91 inlet has about a 2.25" opening.

John 92 st185
 

RIalltrac

Active member
Does anyone know what that inlet is made out of? How easy would it be to cut down. I need something better than what I have and this might be the answer. I have an aluminum tb adapter, but its restrictive so I have to look elsewhere.
 
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