YOSHIMURA RS-12 STAINLESS STEEL FULL EXHAUST SYSTEM This exhaust fits: SUZUKI DRZ4S & SM 2025 Kit Includes: Stainless Steel Header Pipe RS12 Aluminium Muffler (pre-installed baffle with spark arrestor) Full System includes an RS-12 muffler, stainless steel header and tail-pipe, all necessary hardware, and detailed installation instructions. After an impressive run of over two decades, 2025 brings an all-new Suzuki DR-Z4S/SM. The new 398cc single cylinder water cooled engine is now fuel injected! We developed our RS-12 Race Series full system exhaust to enhance every aspect of the new DR-Z and the response was just what the doctor ordered. The RS-12 Race Series Full System packed substantial gains in performance adding 5.5% in hp @6,640rpm and 2.8% increase of torque @5,180rpm.
