Big Bore Stainless Exhaust System, Perentie $1,700.00 Stainless steel vortex system to suit the 4x4 Perentie with our turbo kit. 3" ceramic coated dump pipe; stepping down to 2 3/4" from the rear of the gearbox with a rear (not side) exit. Includes a Vortex centre muffler and a rear resonator. DOES NOT suit... Add to Cart