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Since someone mentioned that the 944 Spec racers know all the performance tricks, I will chime in. He must of been referring to 944 Cup racers because 944 Spec runs a completely stock engine including headers.
In the early days of 944 Spec, aftermarket chips and headers were allowed. One of the guys I raced with blew up an engine with a Wilk chip. I had a dyno with both stock and aftermarket chips and the results were a few HP more with an aftermarket chip. A straight exhaust with aftermarket headers made about 5HP more. The only advantage to a chip was that the rev limiter was set higher. FYI, chips are no longer allowed in 944 Spec. We all run stock chips.
Spend your money on suspension upgrades. If you have to have more power buy a 944 Turbo, S2 or 968.
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Jim Richmond
944 Spec race car, SoCal NASA & POC
01 Boxster S
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