2011-2014 Ford Mustang

The Hellion top mount twin turbo system for the S197 Mustang GT and 2012–2013 Boss 302 is a bolt-on kit, not a box of pipes to cut and fit. Boost is adjustable from 5 psi to over 25 psi. Hellion rates it at over 600 rwhp at 5 psi on a stock car, and over 1,600 rwhp with a built engine and turbo upgrade.