http://en.wikipedia.org/wiki/Brake_s...el_consumption

o_0
thats a fair bit of variance

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MY93 Impreza GX 1.8L, 0hp, 0nm

i doubt thats the varience. i think its just options. whether you want to test the limits and see whether you can high flow them to the limit. or whether you want to be conservative and go for the 550.

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deadly treadly

yeah I was trying to say they can do them as either 550 or 650cc, it's up to you to specify. These are your injectors drilled out.

and C & J was $440 to hi-flow

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Speak to Shane @ SMC Tyres, Unit 6/385 Sevenoaks St Beckenham WA 6107. Mobile 0413 128 087. Tell him Maddog sent you!