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Howru · 08-10-2010, 05:15 AM

S5's (89-91) activate the aux ports by the air pump, so you should be ok. It's the S4's that have to deal with the exhaust back pressure for aux ports to work.

08-10-2010, 05:15 AM	#2
Howru Louvers! Join Date: Mar 2008 Location: Vallejo, CA Posts: 66 Rep Power: 18	S5's (89-91) activate the aux ports by the air pump, so you should be ok. It's the S4's that have to deal with the exhaust back pressure for aux ports to work. __________________ 88 GXL N/A -- Maybe I should've kept the exhaust diffusers...