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      01-09-2019, 06:19 AM   #3
disintegrator66
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Drives: '18 340i M-Sport 6MT THP MPPSK
Join Date: Mar 2018
Location: MA

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Quote:
Originally Posted by rockymtnpilot View Post
I just passed the 30k warranty for my 17 340 so now it's time to go for broke imo. My question is what sort of power gains will I see if I go for the catted DP and intake combo with my JB4? I'm currently running stock save for the JB4 and MPPSK and I'm limited to 91 gas here in Colorado.
Just my $.02 - Sell the JB4 and get a Mission Performance tune.... Probably a 70 + HP gain w/a high flow catted DP...
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