Anybody know which companies will insure modified 996TT. Mine says not interested if more than 10% bhp increase? Looking towards 490 from 420 stock.
What have you had done to give you 490?
Nothing yet, but just using REVO 5 hour free flash trial - and I can see the 'need', although serious hit on mpg.
Looking at either Techart ECU/exhaust/air filter, or REVO/Tubi/filter/DV's - both seem to give 490ish but more importantly 690Nm makes a staggering difference
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