i have a custom exhaust system on my 4th gen h22a...2 1/2" pipes, carsound hfc, magnaflow muffler. sounded good at 1st now its gettin to be pretty raspy. im thinkin of gettin a factory cat n a borla muffler. my friend has one on his turbo del sol n its sounds really good. any of u guys ever heard one on an H?