M4 Suzuki Katana 2020 Black GP19 Full Exhaust System

Available dB reducing muffler inserts: Stage 1 part #Q1 comes installed from M4 and Stage 2 part #Q3 (sold separately please contact us to purchase)

• Saves 10.7lbs over stock system
• +9 hp over stock
• Removes stock catalytic converter
• Stainless Steel Ceramic Coated Black
• Removes Exhaust Valve
• No Re-Mapping Required
• Comes with 18mm O2 bung and M12 Adapter For Stock Sensor Probe

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.

The M4 Exhaust Can for this application does not include a silencer. If you would like to reduce the db levels of this system Optional Stage 1 part #Q8 and Stage 2 part #Q6 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.