gsta86
Full Access Member
What does it take to get the legendary
black bear tune? i have a 2003 silverado Z71, w/120K miles. magnaflow exhuast, volant intake, and this weekend i'll be adding LT headers and free flowing Y-Pipe. If you (Jenna) could please provide all info necessary I'd appreciate it. This is going to the top of the X-Mas list.