Originally Posted by metrathon
Agreed, confused too. Downpipe gains - I'm 100 % confident of 10-15 hp, but not street legal, catback, if done right may be worth another 5-10, and airbox gains are fiction. I have no idea how much intercooler adds.
So the question is how much stand alone or added gains does BMS tune deliver and how does it impact daily drive. Jury is still out...
To understand I'll make measurements on dynostand FBO+bms st1 and FBO with out bms