Quote:
Originally Posted by bigmike10camaro
Im planing to buy kooks 1 7/8 headers and mid pipes for my 2010 camaro , ive been seening a bunch of mix reviews with this question , just trying to get the right answer, i had talk to some guy from slp performance , and he told me deleting cats will make me lose hp, he said something about the new camaros needed back presures to run good. I have 3" THR cat back with X Pipe , cats or no cats ????
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Not true. Ted at Jenetty Racing did a Header test which included not only the different sizes of headers but also with and without cats. From what I remember he found that there was basically no loss or gain between the two.
Do a search and I'm sure you'll find the thread.