Steeda and Palm Beach Dyno took a freshly tuned S650 to the road course. They torture-tested the 2024 Mustang GT in the heat without issue.

SPE’s new carbon-fiber intake ditches epoxy for O-ring seals. This modular manifold is built in the USA and rated for 130 PSI of boost.

House of Boost tested a ROUSH against a VMP/Whipple. One clear winner emerged in the battle for S650 supercharger supremacy.

Want a Mustang GTD Spirit of America, but can’t afford one? Long McArthur Ford in Kansas has a Dark Horse upgrade with that same USA spirit.

Manley now offers high-quality rocker arms. The Pro Series Aluminum Rocker Arms are available for multiple engines.

Maximum Motorsports makes the case for why its Full-Length Subframe Connectors are the first mod for 1979-2004 Mustangs to fix chassis flex.

Whipple supercharger upgrade by DRP Motorsports transforms a 2021 Shelby GT500. With only fuel and tuning, it exceeded 1,000 horsepower.

Prestige Motorsports' latest Holley Hi-Ram Dart Windsor build, a 427ci V8 for a Cobra replica, puts down 578 horsepower on the engine dyno.