I forget the name of the company that makes another. They make huge horsepower numbers in the high rpm's because of the short (non-existant) runners, which gets the air to the engine quicker, but also kills your low end torque. There is a big trade off. I would only get one if the car is a weekend warrior and is built for higher revving (6500++rpm).
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1993 Mustang GT - March Ram Air, K & N filter charger, Pullies, Super Competition Hooker Headers, 2 1/2 in. mendrel bent cat back, High Flow H-Pipe, Pro 5.0 Power Tower
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