[xaran]

I dont think "test pipes" (down pipes) on your NA 2.4L will make any noticeable power increases. Your engine needs a certain amount of back pressure to make power, an open exhaust only makes more noise. Get a name brand cat back system for the best performance.

If your going to pay for someone to dyno tune your car it would make sense to get all the modifications (intake, exhaust etc) before doing the tune.

There aren't many people that have put much into the 2.4L because you are not going to ever get any meaningful power ( Tq or HP ) out of it. Especially for the money you will spend.

 

[xaran]

Do you know of any place other than meghan racing that makes test pipes for this car or any place that makes custom fitted ones?

I dont know of any place that makes any performance parts for the 2.4L.

I know there have been members that have modified some 2.0T parts to use on the 2.4L. The catback exhaust systems for the 2.0T have been installed on the 2.4L by a few members.