Heffner vs. Hennessey Twin Turbo Information


yes, they usually go with a bigger pulley on the stock blower to lower the boost from the blower.

Mine uses the stock blower and pulley.
 
Mine uses the stock blower and pulley.

Mullet is correct, all of ours use the stock pulley.
 
Of course 4T is an option for some of us.

Chip shame on you, the Mustang is better.:biggrin