{TH}NOT!!!!....they are designed to keep intake gas VELOCITY high to keep cylinder filling at max re:better IMEP and cylinder scavange!!!!!!!!!..And the initial design was by Porsche not Watson.


-'96 SE MTX 3L -'98 SVT 1,173 of 6,535 -'05 Mazda 6s, loaded, g/f's ride -Need a 96-00 manual on CD? PM or email me