Dr D NS-4 Complete Exhaust System - Details
The Dr.D SS/AL is the exhaust chosen by more magazine test riders than any other; those who can ride with anything they want, choose Dr.D.
- Lighter than the stock exhaust, the SS/AL 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 (no springs), for reduced weight
- Light weight magnesium End Cap, riveted on for increased durability
- Removable bolts (not rivets) at the inlet cap for easy repacking
- Stepped perforated core (reduced heat) for increased durability
- Performance improvements over stock system
- Features Stainless Steel Header, Mid Pipe
- Includes roll style packing; extends packing life
- Fits Yamaha YZ450F 2014-2015
- * All Stainless Steel/Aluminum systems come with Spark Arrestor screen