The APS Intercooled Twin Turbo System for the Holden Commodore and HSV V8 LS1 cars includes the following major product groups Twin, state of the art, extreme efficiency, super compact, Garrett twin ball bearing turbochargers with a custom APS aerodynamic configuration Massive APS DR Series Bar & Plate Front Mount Intercooler with unique cast alloy end tanks Polished Stainless Steel and TIG welded intake and turbocharger discharge ducting High Energy cast ductile iron and precision machined exhaust manifolds and turbine outlet housings. APS High Output Injectors with upgraded fuel supply Twin High Flow Cold Air Intake System APS High Volume Twin Vent Blow Off Valve Motor Magazine review Autotech's APS Twin Turbo LS1 Video action of the APS Intercooled Twin Turbo Tonner's 9.81 second quarter mile pass This graph demonstrates the power and torque at the wheels using Dyno Dynamics Shootout mode This graph demonstrates the power and turbocharger boost pressure at the wheels using Dyno Dynamics Shootout mode If you would like further information on the APS Intercooled Twin Turbo System for the Holden LS1 Commodore and HSV cars, please do not hesitate to contact Autotech Engineering via email on sales@autotechengineering.com.au or by phone on (02)9897 1378