HI GUYS NEED HELP GOT A 2007 HAWKEYE STI TAKEN THE SECOND DECAT OUT AND NOTICED A DIFFERANCE VERY PLEASED BUT NOW I WANT MORE POWER SO I WANT TO TAKE OUT THE FIRST CAT AS WELL. I WANT TO GET A ALL IN ONE DECAT PIPE TO REPLACE THE FIRST AND SECONDE CAT BUT I HAVE HEARD THAT THE ENGINE MANAGMENT LIGHT WILL COME ON . DONT SUPPOSE ANYONE NOW ANYTHING CHEERS