Packed with the very best performance tuning advice, Redline is all about maximising the potential of your road car, not covering it in graphics and spoilers. We want to inspire you to tune your car – the right way!
Inside this month's feature packed issue:
DOUBLE YOUR POWER! We show you which engines will take twice the bhp – without internal work
DOES SIZE MATTER? Big Vs small turbos – which is best for your car?
5 TURBO TUNING TIPS Get the advice you need to go fast
DUMP VALVES – DO THEY WORK? We test them to find out