If by different method you mean entire exhaust system then yeah. The prices listed on there for the first two systems are $3870 AUD (Not including shipping/fitment), $4659 AUD (Not including) and the price for the iPE isn't listed but last time I checked that system was about $6000 shipped but not fitted. Not really comparable!
Buying a Supersprint or Arqray locally would produce a similar effect and they both cost around $2500-3000 each before fitting I believe.
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