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i helped a fellow GTRC member Max-GTR with the installation of his ARC induction box at my place the other day, and we took some pictures
we first removed the old HKS twin mushroom system
it was simpler than taking off the stock air box, since the HKS system only has 2 brackets (the apexi system has 4)
then of course one of the MAF flanges broke off
the old stuff was out
while we were there, we removed the cracked windshield washer fluid reservoir
then the lower support bracket was bolted onto the body
to make it easier to get the box in, both MAF were removed and the rubber intercooler hose also,
it is really easy to remove the intercooler hose since its long and made of very flexible rubber (compared to an hardpipe with 2 couplers)
afterwards, the MAF were each bolted directly to the box using the inner venturis
1 hole had to be enlarge by 1/16" since it created some binding with a bolt; with the box beeing made of aluminum it was a simple fix with a step drill
two people are needed for this, since the outer MAF has to be aligned with the box's holes AND the inner venturi, while the other person screws in all 4 bolts
a view of the inside
after that, the forward filter was put back onto the box, and the box was loosely put in place
then the rubber hoses were reconnected to the MAFs,
the lower MAF's hose took a bit of effort the get it well aligned onto the MAF while tightening the clamp, it took 4 hands for that
finally, the box was bolted (form the inside) to the support bracket underneath as well as to the p/s fluid reservoir bracket
then the intercooler hose was reconnected and the primary filter was placed back on the box
the rest of the engine bay still needs some TLC
we first removed the old HKS twin mushroom system
it was simpler than taking off the stock air box, since the HKS system only has 2 brackets (the apexi system has 4)
then of course one of the MAF flanges broke off
the old stuff was out
while we were there, we removed the cracked windshield washer fluid reservoir
then the lower support bracket was bolted onto the body
to make it easier to get the box in, both MAF were removed and the rubber intercooler hose also,
it is really easy to remove the intercooler hose since its long and made of very flexible rubber (compared to an hardpipe with 2 couplers)
afterwards, the MAF were each bolted directly to the box using the inner venturis
1 hole had to be enlarge by 1/16" since it created some binding with a bolt; with the box beeing made of aluminum it was a simple fix with a step drill
two people are needed for this, since the outer MAF has to be aligned with the box's holes AND the inner venturi, while the other person screws in all 4 bolts
a view of the inside
after that, the forward filter was put back onto the box, and the box was loosely put in place
then the rubber hoses were reconnected to the MAFs,
the lower MAF's hose took a bit of effort the get it well aligned onto the MAF while tightening the clamp, it took 4 hands for that
finally, the box was bolted (form the inside) to the support bracket underneath as well as to the p/s fluid reservoir bracket
then the intercooler hose was reconnected and the primary filter was placed back on the box
the rest of the engine bay still needs some TLC
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