im going to install a full mac exhaust on my 97 cobra. i do have a couple questions b4 i do tho. i want to start with the catback and do the headers and x pipe in about a month. i was told i would definantly be better off getting a 3" catback. would u guys says its worth paying the extra hundred or so for that extra half inch? also any extra power? if so, my next question is does a 3" system bolt directly onto any mac x pipe or is there a fatter x pipe, or some1 let me know how that works.

 

depends if your gonna put a supercharger/turbo on. personally, i would go with the 2.5inch only cause your not power added

 

Stick w/ the 2.5". Even w/ a power adder, you aren't going to gain much from the 3" system.

 

Yep the 3 inch is way to much.You will lose HP with that.They are made for 600HP car's and then they really don't need them that big alway's.

But it does sound good.

I have the 2.5 with a Magnaflow catted X pipe and Magnaflow 4 inch tip's and love it.

 

No need for 3" at all. But if you do get it, it will bolt to there h-pipe from what they told me.

 

did get my MAC 2 1/2 cat back and sounds SICK. next up, long tubes and x pipe!

 

I've been looking for a short X for our cars, and the only one I can find is SLP's modular X-pipe. Mac only offers a short H or pro-chamber for us. Did you find an X-pipe already? Please let me know where.