Tim Comeau Posted August 12, 2005 Share Posted August 12, 2005 What are the components of your exhaust system from the head back to the muffler tip? Quote Link to comment Share on other sites More sharing options...
924sowner Posted August 12, 2005 Share Posted August 12, 2005 2 1/2 inch tubing, high flow cat of unknown brand *came with the car* and a flowmaster street muffler. replaced the stock one after the thing decided to fall off. i noticed quite a difference between the two mufflers.... maybe 5-10 hp peak *only rough estamate by the way it felt, my G-tec Pro SS isint working right now cause my dogs decided to chew the mounting bracket... anyone know where i can get a new one??* and alot more down low, the high end gained too, but it still wasent where it should be... its ran poorly since they changed the water pump and messed with the timing.... Quote Link to comment Share on other sites More sharing options...
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