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fastblackmerc
04-14-2005, 05:13 PM
Anyone have any experience with these? Simple bolt-on design, 8-20HP & 10-25 torque gains claimed in the literature. If the claims are true, not bad numbers for $129.95....
BruteForce
04-14-2005, 05:35 PM
link to site?
fastblackmerc
04-14-2005, 05:47 PM
link to site?
www.uprproducts.com
Constable
04-14-2005, 06:13 PM
Looks like it's an upper plenum for a 2-Valve motor only.
Todd
04-14-2005, 07:23 PM
Looks like it's an upper plenum for a 2-Valve motor only.

You are correct.... Not for our cars....