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The muffler yell test…
Years ago I did a muffler comparison test for a magazine. I used about $120,000 of equipment to test the sound attenuating properties of the mufflers – including a dyno, test car and sound pressure...
View ArticleThe Best DIY Tools and Techniques
This week in AutoSpeed we start a new series that I’ve immodestly called the ‘Ultimate DIY Automotive Modification Kit’. It’s not the sort of material that you’d find anywhere else but at AutoSpeed –...
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