Infiniti M45 HKS Legamax Exhaust GS400/430. When introduced in North America it was using a Japanese design that was already several years old. Its styling was criticized for being generic and homely, and it sold poorly. On the other hand, it did allow Infiniti to expand the use of the 4.5L V8 that had been exclusive to the Q45, thus creating a better economy of scale to cope with that engine's development costs.Infiniti released a completely redesigned M for the 2006 model year to compete directly in the mid-size sport luxury class, against such class stalwarts as the BMW 5-Series, Lexus GS, and the Mercedes-Benz E-Class. T

Features for your Infiniti M45

• Made from polished SUS304 stainless steel piping.
• Designed to reduce backpressure and increase exhaust flow for greater peak power and broader torque band
• Maintain low-end torque while maximizing high-end horsepower.

HKS Legamax Exhaust The 2003 Infiniti M45 was based on the Y34-series Nissan Gloria, with styling almost identical to the Japanese-spec Gloria, and replaced the I30/I35 a.k.a in Japan as the Nissan Cefiro as Infiniti's mid-size car.In contrast to the Japanese models, which were available only with V6 engines, the M45 was powered by Nissan's VK45DE V8, producing 340 hp (254 kW) and 333 lb·ft (451 N·m) of torque, which it shared with the Infiniti's flagship Q45.[1]The vehicle was something of a stop-gap solution for Infiniti, providing them with a viable competitor for such cars as the Lexus GS, particularly the V8