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Originally Posted by jwade
get a set of fabspeed by-pass pipes and a bmc air filter. Removing the secondary cats and the air filter really woke up the car. if you have stock exhaust, you could add theirs too or go to an oem tequipment sport exhaust like mine.
i still have stock headers. removal will cause check engine light to come on and i didn't want to spend the 2300 bucks fabspeed charges for the headers. they really need to come down in price if they want to sell more of those. they are nice though.
have fun. i love my car!!!
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Thanks for the feedback. yes 2400 bucks does suck. I like the check engine light off too, as I'd like to know if something else goes wrong. I will check into the fabspeed by pass.
Do you get the infamous droning sound? Somebody has a thread(i think 2k3_boxster) about installing an aftermarket exaust and his is dyno checking HP before and after to see if porsche has stiemed airflow. His thinking is that Porsche(companY) might have done this to make the 911 look faster. it is a few threads down from this one, It is a very interesting read and hopefully he will be done soon.
I can't see increasing the air flow through your exhaust will do nothing but good things for your car. More HP better MPG, and less heat. Just my thoughts.