MBRP 2000-01 Ski-Doo ZX Chassis / MXZ / Summit / Formula Dluxe 700 Trail Exhaust. 88 decibels or less at 4000 rpm. Uses stock springs and hangers. Flo-bench tested for back pressure.2000 Ski Doo MX Z. 2001 Ski Doo MX Z. This item is in the category "eBay Motors\Parts & Accessories\Snowmobile Parts\Exhaust". The seller is "powersportsxpres" and is located in this country: US. This item can be shipped worldwide.