As far as centering goes; after I totally smoothed out the inside of the 370z switch blank, the natural width of the sprint booster fit in just right. Then I just picked up the hole through the inside of the top half of the sprint booster while it was wedged in the 370z switch blank. Also I just used a drill bit turned by hand.
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Z1 intake tubes,K&N,sprint booster,side stripes,9500ix, blendmount,laser jammers,AVIC-X920BT,TS-C720PRS, PRS2200DT,2x BTA6250D,275/40/18 conti dw, dynamat,reversed the +/- on the floor shift,tint,cover
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