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yes i have an aftermarket gtr front bumper and i had to trim it for the piping to fit

and the only hole needs to be cut is under the battery , you can see an imprint of a 3" hole just use that as a guide i cut that hole bit out

and on the other side where it used to have 2 pipes going to the stock intercooler i cut that bit open so its nice and wide and you can manouver the pipes

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ok the only thing i got now is to do the hole on the side to fit the last pipe. just a question is your intercooler on a angle?? like the top sticks out and at the bottom in comes in. if you know what i mean.

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yes the intercooler sits on an angle, well mine does anyway and everyones i seen it sits on a angle, like the bottom is closer to the car and the top sits further away

the brackets at the bottom i got with my intercooler kit, they just need to be screwed to the chassis at the bottom..

and at the top i made a plate

both top bolts screw into the fmic and then you get a plate which holds them both togethor, then another one in the middle of the two which can bolt up to a bolt near the bonnet latch you will see it..

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Hey dude just go to Mettams exhaust and tell them you want a 3inch System from the turbo back (down/dump pipe, high flow cat , the works.) and you can choose a nice cannon style muffler or watever you want on the end. They did a killer job on my R33 for $1100.My car basically went from not much wheel spin in the dry to BLAZING and it doesn't hang down like them ricer jobs and isn't going to atract the cops with excessive decibels.

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