Yup, I can't stand them. On my G35, I had the HKS exhaust with high flow cats. It sounded awesome, but I wanted to see what the fuss was all about with switching to test pipes. I gained 1whp at the peak of the rpms and gained the horrible unburnt gas smell. Less than 4 months later, I sold them and went back to high flow cats.
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Ryan - 2014 Stryker Green Viper
Gone - a few Vipers and a couple turbo VQs
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