OK HERE'S MY QUESTION.....MY EXHAUST I KINDA LOUD. GOING DOWN THE STREET IT SOUNDS FINE BUT ON THE HIGHWAY IT'S ANNOYING OR AT LEAST GETTING THERE. I HAVE A '90 STANDART HB. I JUST HAD MY EXHAUST PUT ON SATURDAY. IS THERE ANYWAY THAT I COULD QUIET IT DOWN OR AT LEAST SOMETHING? I THOUGHT ABOUT GETTING THAT ECV (EHAUST CONTROL VALVE) THAT MADE BY, I THINK, AEROSPEED BUT IT SAYS THAT IT'S FOR '92+ CIVICS. THINK IT WOULD FIT ON MY '90??