I had a play with my mates vts earlier, sport's cat, full system and filter on his, mine just standard with a small exhaust blow from the downpipe > Cat Joint... I could only pull on him very slightly, not alot at all... miffed now cause i thought it should be more and this is about 4 attempts from 3 - 100 about a car length max.. Could the exhaust blow be slowing it down alot ?
Cheers
Cheers