Part I: Intake And Exhaust Installation And Dyno TestWhile just about everyone would love to have a new 505-horsepower LS7 powering their Bird, budgetary restraints and the desire to retain the ...

After a satisfying strip-test of SLP's 350hp PerformancePac on a bone-stock '99 T/A (owned by Firebird-freak Kelly Holloway) in the Dec. '06 issue of HPP, we decided to step up to the company's 375HP ...

A 1973 Pontiac Firebird Formula restomod with LS1 V8 power and modern upgrades is up for sale in Miami. Trans Am Specialties of Miami, a dealership renowned for its focus on Pontiac Firebirds and ...