HI, i just ordered my b&m shortshifter and my greddy sp2 but since im removing the whole exhaust im looking to get a high flow cAt. Im not a big racer so im sure i dont need the BEST thing out there performance wise. I am looking to get the best bang for my buck and im sure you guys out there can help.. Please HELP!!!

 

random technology or mangaflow...mke sure its 0bdII compliant

 

Nothing really outperforms stock, and the RT's in the past have been prone to premature failure.