hpi customs

  1. Exhaust for 70 coupe with 572/620, 4L85E and 9" Ford axle

    Headers and Exhaust
    Finishing up build of an SS454 clone from a solid Malibu coupe body and frame. Exterior and interior will look like the LS6 that I had years ago, but engine, drivetrain, chassis and suspension are all upgraded. Here's the details. 4L85E behind a 572/620 GM crate motor, driving a custom 9"...