I have a 2006, 60,000 mile, 2.5 xTen manual (my 2nd Forester) with Hayward & Scott sports catted 2.5" Turboback exhaust(£900 fitted, k&n and RaceDynamix Ecutek RaceRom remap and EGR delete(£650). I'm based in Chichester and can pop over to Portsmouth if you want a ride/ look round it.
Servicing costs so far are:
Fully Synthetic oil/filter/fuel filter £170
Rear discs and pads, front pads (std rubbishy ones)£150
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to come this year:
Timing belt, tensioners etc about £400 fitted
Spark plugs and diff oil change about £500 fitted
Competition Clutch& lightened flywheel about £750 fitted
New front discs and pads about £200 fitted
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Insurance £320 pa with more than.
Not cheap but as quick as a Lotus evora/Porsche carrrera. Try running those....and a car to transport stuff!