YOUR 3.4 WHIPPLE FOR YOUR LIGHTNING IS STRUGGLING WITHOUT THIS REDESIGNED BILLET MIDPLATE. NOT ONLY IS THE PORT MORE DIRECT TO THE INTERCOOLER BUT IS PERFORMS MUCH BETTER. BESIDES LOOKING AWESOME, WE HAVE SEEN HUGE GAINS. DEPENDING ON YOUR SET UP AND TUNER OF COURSE. TAKE A LOOK AT THE PICTURES AND SEE THE OBVIOUS DIFFERENCE IN DESIGN. THESE ARE MADE TO ORDER 5-8 WEEKS
 
NOW AVAILABE FOR 99-00 BOLT PATTERN