PM me if you need more advice, but as a rule of thumb if you add LEDs for the turn signals you will 100% need load resistors otherwise you'll get hyperblink
-Nick C.
He's adding LEDs and also keeping the stock bulbs in the fronts
http://www.grandprixforums.net/my-06-gp-gxp-72403.html OBX headers, TEP tranny cooler, ls1 IM fuel rails and injectors, ls2 TB, ls7 MAF, full custom exhaust, Quad retro headlights, full out front and rear suspension work, tuned by HPT by me 8====>