Hi guys
Iv just bought myself a gsxr 1000 k7 and its got a racefit mega installed which sounded awesome

. The prob iv got is when i test rode it it felt very sluggish on low rpm but i put it down to being in the show room for a few months. Gave it a full service and still no change, now after reading a few forums people are saying the rf mega exhausts make the bike un-rideable until about 6k rpm. So do you think a powercommander will fix this or shall i just buy another exhaust

.
Cheers in advance for your advice.
Ricky