no worries. everyone has there own situations so thought i would ask. but thanks.
Yea and what 99pgp said. The 3.8 stock catback provides great flow up to around 300hp or so. So headers maybe new muffles or resonator and bam u good to go!!
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====>