Turn heads with the GP style full system by M4! This pipe makes the Z125 sound mean while producing more power and reducing weight. The stainless GP muffler is ceramic coated all black giving it a sleek and hidden look. Comes pre-installed with a Stage 1 Quiet insert, but also available for purchase is the Stage 2 Quiet insert. Part# Q3. Call us for details.
- Saves 4lbs. over stock.
- Comes with M12 O2 bung.
- 100db @ 5,000 rpm.
M4 Exhaust - Additional Information:
Full Systems - For the ultimate in performance, complete tuned stainless steel systems include all mounting hardware. Optional mounting styles and materials available for select systems.
Bolt On/Slip Ons - These systems utilize the stock header assembly. Bolt on and slip ons replace the stock restricted muffler resulting in better sound and an increase in power.
Headpipe/Collector Assembly - Full systems include tapered and equal length headpipes with true high-flow merge collectors.
Silencer - M4 silencers look as good as they perform. Polished steel, titanium, black satin and carbon fiber silencers are offered to suit your style.
Midpipe - Careful design of the midpipe is necessary to give exhaust gasses optimum flow and improved power characteristics.
This part is Guaranteed to fit any motorcycles included in the product title. If you have any questions regarding fitment or require assistance please contact Team STG before ordering.
The M4 Exhaust Can for this application includes a Stage 1 part # Q1 (Installed). If you would like to reduce the db levels of this system Optional Stage 2 part # Q3 Quiet Inserts are sold separately and are available for purchase from SportbikeTrackGear.com using the link found below.
Important Emissions Notice to Customers in California
The State of California prohibits the offer for sale, sale, or installation of an aftermarket part, which alters or modifies the original design or performance of a motor vehicle's pollution control devices or systems, unless the aftermarket part has first been exempted from the state's anti-tampering laws and been issued an Executive Order (EO) number by the California Air Resource Board (ARB). Legal in California only for racing vehicles which may never be used, or registered or Licensed for use, upon a highway. Any California Residents who order this M4 Exhaust from Sportbike Track Gear llc agree they are doing so with the intention of using it on a closed course as outlined within the California Notice.