Metric Maniacs is now a dealer for M4 Performance Exhausts

Metric Maniacs is very pleased to announce that we are now a dealer for the full-line of performance exhausts from M4 . M4 offers high-quality slip-on and full-system exhausts for most late-model sportbikes. As usual, you get the best possible pricing by buying your parts and accessories from Metric Maniacs, so contact us today to get the perfect M4 exhaust for your machine!