4" x 8" x 12" muffler16-guage stainless steel constructionImproves power and performanceRelieves excess heat buildup on passenger sideAggressive sound without droningSide pipe and muffler tip hardware kit includedOptional off-road down pipe mounts directly to stock exhaust; achieves 10 horsepower gain (sold separately)Installation of new exhaust system may change fuel-air mixture requirements; fuel management tuner recommended