8th Generation Honda Civic Forum - View Single Post - X intake DIY + Install vids + AFR and Dyno Comparisons

JZILLA · 01-01-2008, 11:16 PM

the rubber ring comes with the spectre coupler you can get at murrays, auto zone, or pep boys it fits inside the coupler in case you are going from a 3" opening to a 2.5" they cost like $7 for the coupler and internal rubber ring

01-01-2008, 11:16 PM	#97 (permalink)
JZILLA Senior Member Join Date: Jan 2007 Location: michigan Posts: 321 iTrader: 1 / 100%	the rubber ring comes with the spectre coupler you can get at murrays, auto zone, or pep boys it fits inside the coupler in case you are going from a 3" opening to a 2.5" they cost like $7 for the coupler and internal rubber ring