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exhaust 2.5" or 2.25" ?????

bogan_vk

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Lucky the OP has a VY then ey...
lol true, id say 2 1/4 '' would be big enough with some fairly quiet free flowing mufflers but keep the rear muffler in otherwise they drone and sound shocking.
 
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sam.

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haha yeah i have a VY :p thanks everyone for your input. ok, so far from what you have said i should leave the stock pipes but changed the mufflers. i think my car has 2 mufflers though, centre and rear. should i be changing both of those for more free flowing types? and i have heard of Lukey before, they seem to be really well known and used buy alot of people on their cars.
should i also be looking at changing extractors for a small performance gain along with an intake upgrade of some kind? i feel like intake goes hand in hand with exhaust so why not get both mods done at the same time
 
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