Tag Archives: Diamond Custom pistons

541 WHP / 549 WTQ 2009 Dodge Challenger stroked 6.4 liter, Sinister Performance built, FLI tuned.

This project has been about 10 months in the making. Sinister Performance started this project last year with a ProCharger, a custom ground Inertia Motorsports cam, long tube headers and a cat back exhaust. this combo made about 505RWHP which the customer was very happy with. Soon after he decided he wanted to make the […]