The folks at Kenne Bell Superchargers, Performance West, and Doug's Headers have recently conducted a series of pulls, which rated the stock 5.7L at a more conservative 263.4 hp at 5,500 rpm and 281.5 ...
It takes energy to push disorganized exhaust gases out through a vehicle's stock exhaust manifold. Headers don't make horsepower; they relieve the engine from the task of straining itself while ...
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