Grease Culture on MSN4mon
Do Loud Pipes Save Lives? Research Tells Us The AnswerFor years, motorcycle enthusiasts have debated the merits of loud exhaust pipes, with many riders claiming that "loud pipes ...
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DIY Guide: How to Test Your Car's Exhaust FlowImprove exhaust flow by changing dump pipes, mufflers, converters, and piping - reduce backpressure by 75%. The first performance modification that many people make is to replace the exhaust system.
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