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      02-01-2013, 06:53 PM   #1
Drives: 335i M-Sport
Join Date: Jan 2012
Location: NY

Posts: 554
iTrader: (3)

JB4 Stage 2 map 2 and map 5 on stock downpipe

Is there any issues with this set up?

I recently took off my ar design catless downpipe. I am just wondering if I can run the jb4 stage 2 on map 2 or map 5 without the catless downpipe. I fill 93 octane only. Long term effects/issues?

Thanks in advance.
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