popping

My cars trying to act like it’s a rally sl4g! Ive just cleaned my BMC filter and after taking out the forest of dean, 3 wasps, 8 blue bottles and an oak tree I thought id give it a thrash to see if it made a difference. Its freed up the rev range allot more but when I started to slow down to...

after recently buying an ibiza cupra it was ok driving and pulled well recently it hasnt been pulling as well and boosting wierd, also in the last few days my exaust has started to pop quite often? is this normal? what could it be! i have ko3s, 3" d/p, jabba remap, forge DV, Fmic if this...

hey all 3rd time this has happened, i hear a leak from inside the car between 10-20psi (ie when pushing the car a bit) - first time round I found it it fell off totally on the m3 when doing 70mph, coasted into service station and luckily had screwdriver/spanner on me to do it up again. Now...