The IPL models featured a retuned engine producing 348 hp (260 kW) (353 PS) and 276 lb-ft (374 NM) of torque.

Performance improvements included a redesigned exhaust system, sportier suspension tuning, as well as a more direct steering feel.

Design changes were made to the exterior including more aggressive front/rear bumpers and sideskirts, sportier 19 inch alloy wheels, and larger exhaust tips.

The IPL G37 Coupe and Convertible are only available in 3 colors; Graphite Shadow gray metallic, Moonlight white (QAA) and Malbec Black.

Infiniti offers an "S" and "Red Sport" variant on many of their vehicles, which includes sportier styling on both the exterior and interior, more horsepower, and a firmer suspension.