The most popular exhaust in the DRD line up. The Dubach Racing NS-4 Stainless/Aluminum( Stainless Steel Tubing/Aluminum Can) is the exhaust chosen by more magazine test riders than any other; those who can ride with anything they want, choose Dubach Racing. Lighter than the stock exhaust, the Stainless/Aluminum features durable 304 Stainless Steel, TIG-welded construction and billet aluminum mounting directly on muffler can. Uniquely track tested to improve hit, delivery, and pulling power with substantial performance gains while reducing weight over the stock system. Welded construction, magnesium end cap, removable bolts (not rivets) at the inlet cap for easy repacking, and stepped perforated core (reduced heat) for increased durability set DRD apart in construction, and on the track.
Performance improvements over stock system.
Features Stainless Steel Header, Mid Pipe, and Aluminum.
Lightweight Magnesium end cap; riveted on for increased durability.
Welded construction for reduced weight.
Removable bolts at inlet cap for easy repacking.
Includes roll style packing; extends packing life.
All Stainless Steel/Aluminum systems come with Spark Arrestor screen.