Keeping it stock I said.... LMAO. Bought a 2010 Speed3 with 23,585 miles back in May. Stock with 20% tint. I had a 2005 Cobalt SS/SC before but after 6 years of ownership and various setups over the years my last dyno was with a TVS 1.3L blower, ported head, E85, I/H/E etc. 362hp/318tq...