The 1999 Ford Mustang Saleen S351 represents a high watermark in the history of Saleen performance Mustangs. A limited-production beast, it combined the already potent platform of the fourth-generation Mustang with Saleen's renowned engineering prowess, resulting in a car that remains highly sought-after by collectors and enthusiasts alike. With only a handful currently available for sale – as evidenced by the current market showing six 1999 Ford Mustang Saleen SN-99s listed – understanding what makes this car special requires a thorough examination of its performance, engineering, and its place within the Saleen and Mustang lineages.
99 Saleen S351 Review: A Blend of Power and Refinement
The 1999 Saleen S351 wasn't just a bolt-on parts car; it was a meticulously engineered machine. Saleen took the already impressive Ford Mustang GT platform and significantly enhanced its performance capabilities. The result was a car that offered a thrilling driving experience, blending raw power with a surprising level of refinement for a muscle car of its era. Reviews from the time praised its balanced handling, potent acceleration, and the satisfying roar of its modified engine. This wasn't just about straight-line speed; the S351 also showcased improved braking and cornering, making it a capable performer on both the track and the open road. The enhanced suspension, upgraded brakes, and aerodynamic modifications all contributed to a more controlled and engaging driving dynamic. The interior, while retaining the familiar Mustang layout, often featured Saleen-specific touches, such as embroidered seats and badging, adding to the car's exclusivity. The overall driving experience was described as exhilarating, with the precise steering and responsive handling making it a joy to push to its limits. However, the ride could be firm, a trade-off for the enhanced performance. This wasn't a car designed for daily comfort; it was a machine built for driving enthusiasts.
99 Saleen S351 Engine: The Heart of the Beast
The heart of the 1999 Saleen S351 was its modified 4.6L Modular V8 engine. While Saleen didn't drastically alter the fundamental architecture of the engine, they implemented a range of performance enhancements to unlock significant power gains. These improvements often included upgraded intake manifolds, high-flow exhaust systems, performance camshafts, and optimized engine calibration. The exact specifications could vary slightly depending on the build year and specific options chosen, but the overall result was a substantial increase in horsepower and torque compared to the standard Mustang GT. The precise horsepower figures fluctuate in various sources, but generally, the S351 boasted well over 350 horsepower, a significant jump from the stock GT's output. This power delivery was smooth and linear, making the car incredibly responsive and exhilarating to drive. The enhanced exhaust system not only boosted performance but also contributed to the car's distinctive and aggressive sound, further enhancing the driving experience. The improved breathing of the engine, thanks to the upgraded intake and exhaust, ensured efficient power delivery across the rev range.
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