DR-Z4 S/SM 2025 RS-12 Stainless Slip-On, w/ Stainless Muffler

DR-Z4 S/SM 2025 RS-12 Stainless Slip-On, w/ Stainless MufflerAfter an impressive run of over two decades, 2025 brings an all new Suzuki DR Z4S SM. If a Race Series full system is not what you're looking for, we developed our RS 12 slip on to pack performance on the DR Z4S without compromising 50 state legality. The RS 12 Enduro Series slip on provides great performance 4. 1% in hp @8,000rpm and 2% increase of torque @4,800rpm with spark arrestor installed. This slip on includes our installed USFS approved spark

After an impressive run of over two decades, 2025 brings an all-new Suzuki DR-Z4S/SM.

If a Race Series full system is not what you're looking for, we developed our RS-12 slip-on to pack performance on the DR-Z4S without compromising 50 state legality. The RS-12 Enduro Series slip-on provides great performance 4.1% in hp @8,000rpm and 2% increase of torque @4,800rpm with spark arrestor installed. This slip-on includes our installed USFS approved spark arrestor, SA-19-K, to make is easier to roll right out to your favorite off-road riding area. A custom stainless Yoshimura heat shield is included.

Yoshimura's RS-12 is proudly designed, developed and manufactured in Chino, California.

Weights:

Stock slip-on: 13.6 lbs.

Yoshimura RS-12 slip-on: 9.2 lbs.

Sound levels:

(Using J2825 standards) with installed spark arrestor.

2000 rpm

Stock: 74.4 dB

RS-12: 86.0 dB

5000 rpm

Stock: 84.4 dB

RS-12: 89.3 dB