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228 Posts
http://www.performanceimprovements.homestead.com/Helix~ns4.html
sounds too good to be true. anyone had any experience with this. what is the downside. i figure there must be a downside or they would come from the factory with it.
[ 09-04-2002: Message edited by: ferrethouse ]
[ 09-04-2002: Message edited by: ferrethouse ]</p>
sounds too good to be true. anyone had any experience with this. what is the downside. i figure there must be a downside or they would come from the factory with it.
[ 09-04-2002: Message edited by: ferrethouse ]
[ 09-04-2002: Message edited by: ferrethouse ]</p>