M4 YA9934 3/4 R1 DUAL CF EXHAUST MUFFLERS CARBON CAT REMOVER 09-13

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M4 YA9934 SLIP ON  SO 3/4 EXHAUST SYSTEM
DUAL CARBON FIBER CF MUFFLERS W CF END CAP
CATALYZER CAT DELETE REMOVING LINK / MID PIPE SS
YAMAHA YZF-R1 YZFR1 YZF R1 R1000 1000
09 10 11 12 13 2009 2010 2011 2012 2013 14 2014

This slip on comes with dual carbon fiber canisters and eliminates the stock catalytic converter. Saves 5lbs over stock and produces 5 more horsepower. Comes with O2 bung and adapter for running the stock O2 sensor or aftermarket O2 sensors.

M4 Standard slip on system with catalytic converter eliminator and CARBON mufflers
M4 Standard slip on system with catalytic converter eliminator and CARBON mufflers M4 Standard slip on system with catalytic converter eliminator and CARBON mufflers

Part # YA9934

Standard slip on system with catalytic converter eliminator and CARBON mufflers.

This slip on comes with dual carbon fiber canisters and eliminates the stock catalytic converter. Saves 5lbs over stock and produces 5 more horsepower. Comes with O2 bung and adapter for running the stock O2 sensor or aftermarket O2 sensors.

compKey
Component Key

View the components that make up this syetem. You can also Download the PDF.

dyno chart
Dyno Chart

View HP output vs. stock system.

video link
System Video

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