The Drive

NASCAR Is Testing Mufflers for Its Big-City Races

NASCAR will test a raft of potential updates this weekend for its troubled Next Gen stock car. Among them will be the addition of exhaust mufflers, which NASCAR is considering using for races in big ...
SunStar

LTO warning: Passing a noise test does not make your custom muffler legal

IF YOU think a passing grade at an inspection center means your aftermarket muffler is safe from fines, think again. The Land Transportation Office (LTO) issued ...
Motor Trend

Installing and Dyno Testing the MBRP After-Cat Exhaust

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SunStar

Cebu riders warned: Passing PMVIC test won’t spare modified mufflers from apprehension

THE Land Transportation Office (LTO) warned motorcycle riders that passing the noise test at a Private Motor Vehicle Inspection Center (PMVIC) does not guarante ...