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any ideas?
Hi Gents and Ladies,
Well i am in New Zealand and own a Holden HSV GTS VT2,powered by a LS3 Engine.
I had 18x8 235/40 18 Wheels and Tyres all round. I also changed the catback from twin 3'' off the headers all the way thru to a 2.5'' off the headers to a single 3''.
This week, I recently changed the wheels to 19x8 235/235 19 Wheels and tyres ,does look great
My question is i feel the car is abit slower down low, take alittle more to get it moving. Is it the bigger wheels or the exhaust?
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