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1995 993 Open exhaust HP gain

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Vehicle Information: Model: 993; Year: 1995; Body Type: Coupe; Total Mileage: 50000;

Sorry if this question is duplicated, I got an error when I clicked submit, not sure if it completed or not........Joel, as always thanks in advance for the great advise.I am interested to hear your thoughts on open exhaust. The car is mostly a track car and gets trailered to and from events, but I am not quite ready to relegate it to track only. In looking for reversible and reliable modifications it would seem that removing the cats and mufflers and fab-ing a short stub from the stock headers should be fairly cheap and easy to accomplish, not entirely difficult to swap in and out, and saves 40lbs. My question is how much power would you guesstimate that open exhaust would gain without modification to the ECU? And vice versa, if I go through the trouble of upgrading / tuning the ECU what happens when I put the exhaust back on for a Sunday driveThanks again.

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