**FINANCING NOT AVAILABLE - VEHICLE SOLD ON CONSIGNMENT**
To Firebird muscle model fans, the letters “SLP” stand for “Street Legal Performance.” That was the goal of SLP Engineering. This Toms River, New Jersey, firm was what General Motors called an “aftermarket partner company.” It converted new Firebirds that Pontiac shipped to its Garden State shop into super high-performance cars.
In 1992, Pontiac Motor Division and SLP teamed up to make the hot new Formula Firehawk available through the factory dealer network as a special 1992 Firebird model-option. Representatives of Pontiac and SLP Engineering exhibited one of these cars at the Boston “World of Wheels” show during the first week of January 1992. They explained that Firehawks would be offered in “street” and “competition” versions. The street version produced 350 hp at 5500 rpm and 390 lbs.-ft. of torque at 4400 rpm.
The factory-built Formula Firebird that served as the basis for SLP’s Firehawk carried the 5.0-liter TPI V-8 and a four-speed automatic transmission (both upgraded to 1LE specs) plus air conditioning. Externally, the main difference from a stock Formula model was the use of five-spoke aluminum alloy wheels and a Firehawk decal on the right-hand side of the rear fascia.
By 1995, the Firehawks were being promoted as “an irresistible force that moves you.” The hot Hawks featured 300- and 315-hp versions of the 5.7-liter LT1 V-8, plus all-new features like optional chrome wheels. In addition, Ed Hamburger and his SLP engineers added a Hurst six-speed gear shifter. About 750 Formula Firehawks were sold this year.
Twin air scoops on the Formula Firehawk’s snout were part of a special air-induction system that added 25 to 35 hp. The suspension was upgraded from Formula specifications to increase handling limits. Coupes benefited from bigger, better-handling Firestone 275/40/17 tires and 17-inch wide wheels. Firehawk convertibles, however, came only with Firestone 16-inch tires and closed-lug 16-inch-wide alloy wheels. Other Formula Firehawk features included megaphone-style polished stainless-steel tailpipe tips, special exterior graphics and a sequentially numbered dash plaque. A sport suspension and performance exhaust system were optional.
A six-speed Firehawk coupe with the performance exhaust system went from 0 to 60 mph in 4.9 seconds and did the quarter-mile in 13.5 seconds at 103.5 mph. Its top speed was reported by some sources as 160 mph.
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