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exgmguy · 08-02-2001, 02:30 PM

My GT-40 lower is mega ported, but the upper cannot be opened up and is a major bottleneck for a high hp motor. Look at the TFS intakes. The street and track us the same exact lower.

08-02-2001, 02:30 PM	#12
exgmguy Registered Member Join Date: Feb 1999 Location: Utica, Michigan Posts: 2,631	My GT-40 lower is mega ported, but the upper cannot be opened up and is a major bottleneck for a high hp motor. Look at the TFS intakes. The street and track us the same exact lower.