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Hey Paul - i'd be quite interested to hear your Focals as am considering fitting some in my manual 430 spider also. Maybe once lockdown is over...
I have had some sport with my manual 430 spider and my mates c63 wagon PP (490hp).... whilst the 0-60 may be similar, on the road from a roll in...
Impressive... i had to replace my clutch at 20k miles... it wasn't slipping but it did take a fraction of a second for it to engage - when I took...
Challenge headers sound the same as stock... just louder - on a spider its honestly about as loud as I'd want to go .. adding a sports exhaust...
Own both, and fact is I have years where very little needs spending and years where each can throw up near 5fig bills.... now some of that is...
Yep i'd say the challenge manifolds are a good 20% louder... pitch is like stock but deeper and louder - love them ! The other advantage is no...