| I was curious to how much pollution I was putting into the air with Test Pipes so I ran a smog check with them and a check with Variant hi-flows. The most striking was the measurement of the Nitrous Oxide. With TP's 3400, with the cats 756 at 15mph and 235 at 25mph. Max allowed being 772 at 15mph and 711 at 25mph. I was also over the limit with the HC and CO measurement. I think I am going to keep the cats on. Its better for the earth and not as loud now though still fast. I just thought I'd share this enlightening experience.
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