Pro Flow Exhaust System 3rd Generation 4Runner 1996-2002 0 Pro Flow Exhaust System LC Engineering's Pro Flow Exhaust Systems are made with 409 stainless steel tubing, a 409 stainless steel straight-through Magnaflow muffler and 3/8" thick mild steel flanges. The straight-through design of the Magnaflow... $528.13 Quick view add to cart Add Wish List add to cart