i have a JDM bigport and box in my sprinter ^^
awsome lil reving things
buy it, if u dont like it, sell it for wat u bought it for, many people after blue top i believe...and its somehow the people that already has the red top 100kw engine
they dont rev as hard in the high RPM as the red top but HECK atleast it still gets der!
4000 and above, TVIS KICKS IN OHHH YEAH!