Graves Motorsports Suzuki DR-Z4S / DR-Z4SM Aluminum Black - Cat-Back Exhaust

Graves Motorsports Aluminum BLACK Silencer: Cat-Back Exhaust System (with titanium tubing) for the Suzuki DR-Z4S+ / DR-Z4S / DR-Z4SM+ / DR-Z4SM (25-26). Video sound file at the bottom of this listing. 

Graves' precise engineering develops precision products that are designed to outlook, outperform and outlast the competition. Graves Exhaust systems are designed for the elite rider seeking top of the line performance, fit, finish and value. This exhaust system was developed using the same technology that has powered the Graves Racing Team and supported racers to 31 Professional AMA National Championships including 9 Superbike Championship titles and 3 Pro Side x Side.

This product is intended for closed course competition use only. Use of this product for any other purpose is strictly prohibited. 1. “NOT LEGAL FOR SALE OR USE IN CALIFORNIA” / 2. “NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES” / 3. “LEGAL IN CALIFORNIA ONLY FOR RACING VEHICLES WHICH MAY NEVER BE USED, OR REGISTERED OR LICENSED FOR USE, UPON A HIGHWAY”

The Goal of Graves when designing this exhaust system is to provide the best performing, highest quality product on the market. We did not compromise in the development of this system. Material diameters, the silencer core size and length are optimized for maximum power output throughout the throttle and RPM range.

- New BLACK Octagon Silencer Design Featuring: Aluminum silencer body with Stainless end cap and a Carbon Fiber beauty cover. The new silencer has greater volume for reduced sound, long life and a deep throaty exhaust note. The silencer's entry and the extended tubing are titanium.

- The slip-on silencer is designed with an extended titanium tube welded as one unit.  The assembly LINKS to a secondary titanium pipe and then slips onto the stock header system. The silencer body has one integrated mounting tab for a clean strapless design. The tailpipe/silencer pipe secures to the motorcycle using the included clamp and spring tabs.

- Mounting hardware is included to remount the OEM header guard for added protection to your new exhaust.

-Standard forestry approved quiet core / spark arrestor is included

- Ti components constructed from High Heat Aerospace Grade Titanium that resists breaking down up to 800* Celsius 1472* F

This system performs like it looks and looks like it performs. (11/10ths and maximum effort every time from Graves) - Chuck Graves

Weight:

Stock Cat-Back 12.5 lbs. / Graves Cat-Back 6.5 lbs. 

Sound:

Stock DB @ Idle 78

Stock DB @ 5000 RPM 90

Sound Insert with Spark Arrestor DB @ Idle 82

Sound Insert with Spark Arrestor DB @ 4000 RPM 88

Sound Insert with Spark Arrestor DB @ 5000 RPM 90

Fitment: 2025 - 2026 Suzuki DR-Z4S+ / DR-Z4S / DR-Z4SM+ / DR-Z4SM

Part number: EXS-25DRZ4-CBTAK