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Coupler help

3.4K views 3 replies 3 participants last post by  EvilRob  
#1 ·
I'm going to swap in an fp red turbo and I have the ams intake. Do I just use a 3" straight coupler or do I need to use a different sized one? Right now on stock turbo its going 2.5" -3" I believe.
 
#4 ·
Thanks for the help guys