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2009-2014 YZF-R1 M4 Y Pipe Cat Eliminator
Sale

2009-2014 YZF-R1 M4 Y Pipe Cat Eliminator

Catalytic Converter Eliminator for the 2009-2014 Yamaha R1. This is also known as a 'Y Pipe'. Fits s..
$239.00 $215.10
Carbon Fiber Heel Guard For M4 Slip Ons 11-18 Suzuki GSX-R600 / GSX-R750
Sale

Carbon Fiber Heel Guard For M4 Slip Ons 11-18 Suzuki GSX-R600 / GSX-R750

M4 Performance Exhaust designs and manufactures high quality exhaust systems for all popular sport b..
$99.00 $89.10
M4 2006-2014 YZF-R6 Muffler Box Eliminator Kit M4 2006-2014 YZF-R6 Muffler Box Eliminator Kit
Sale

M4 2006-2014 YZF-R6 Muffler Box Eliminator Kit

Note: Installation of the Muffler Box Eliminator Kit requires cutting the stock system at the muffle..
$184.00 $165.60
M4 2006-2014 YZF-R6 Street Slayer Mount slip on with Muffler Box Eliminator Kit and Carbon Fiber Muffler M4 2006-2014 YZF-R6 Street Slayer Mount slip on with Muffler Box Eliminator Kit and Carbon Fiber Muffler
Sale

M4 2006-2014 YZF-R6 Street Slayer Mount slip on with Muffler Box Eliminator Kit and Carbon Fiber Muffler

Note: Installation of the Muffler Box Eliminator Kit requires cutting the stock system at the muffle..
$537.00 $483.30
M4 2015 Yamaha YZF-R3 Street Slayer Carbon Fiber Slip On M4 2015 Yamaha YZF-R3 Street Slayer Carbon Fiber Slip On
Sale

M4 2015 Yamaha YZF-R3 Street Slayer Carbon Fiber Slip On

This shorty carbon fiber slip on eliminates the stock catalytic converter and provides an all new lo..
$444.00 $399.60
M4 2015-2019 Yamaha R1 Stainless Catalytic Converter Eliminator
Sale

M4 2015-2019 Yamaha R1 Stainless Catalytic Converter Eliminator

All Black Stainless Cat. Eliminator. Removes 11lbs from the OE exhaust system. Will work with stock ..
$314.00 $282.60
M4 2015-2019 Yamaha R1 Titanium Catalytic Converter Eliminator
Sale

M4 2015-2019 Yamaha R1 Titanium Catalytic Converter Eliminator

Removes 13 lbs off of the stock system. Will work with stock muffler or any aftermarket muffler that..
$557.00 $501.30
M4 Black M4 Black
Sale

M4 Black "GP" Slip-On - Kawasaki ZX-10R (2016)

This GP-style slip-on exhaust system removes the stock catalytic converter, saving you almost 11 lbs..
$419.00 $377.10
M4 Black GP Full System 2013-2019 Kawasaki Ninja ZX-6R M4 Black GP Full System 2013-2019 Kawasaki Ninja ZX-6R
Sale

M4 Black GP Full System 2013-2019 Kawasaki Ninja ZX-6R

M4 Performance Exhaust designs and manufactures high quality exhaust systems for all popular sport b..
$850.00 $765.00
M4 Black GP Slip On 2009-2019 Kawasaki Ninja ZX-6R M4 Black GP Slip On 2009-2019 Kawasaki Ninja ZX-6R
Sale

M4 Black GP Slip On 2009-2019 Kawasaki Ninja ZX-6R

M4 Performance Exhaust designs and manufactures high quality exhaust systems for all popular sport b..
$365.00 $328.50
M4 Black GP Slip On 2015-2019 Yamaha YZF-R1 / R1M / R1S M4 Black GP Slip On 2015-2019 Yamaha YZF-R1 / R1M / R1S
Sale

M4 Black GP Slip On 2015-2019 Yamaha YZF-R1 / R1M / R1S

This ceramic coated stainless steel black slip-on mounts to the stock catalytic converter to improve..
$322.00 $289.80
M4 Carbon Slip-On - Kawasaki ZX-10R (2016) M4 Carbon Slip-On - Kawasaki ZX-10R (2016)
Sale

M4 Carbon Slip-On - Kawasaki ZX-10R (2016)

The M4 Carbon Slip-On Exhaust System retains the stock catalytic converter and saves you 1 lb of wei..
$469.00 $422.10
M4 Carbon Slip-on 2017 Yamaha FZ10 M4 Carbon Slip-on 2017 Yamaha FZ10
Sale

M4 Carbon Slip-on 2017 Yamaha FZ10

New X-model MC36 Carbon Slip On- M4 feels this is the perfect slip on as it gives great styling, pe..
$709.00 $638.10
M4 Carbon Slip-On with Titanium Cat Eliminator - Kawasaki ZX-10R (2006) M4 Carbon Slip-On with Titanium Cat Eliminator - Kawasaki ZX-10R (2006)
Sale

M4 Carbon Slip-On with Titanium Cat Eliminator - Kawasaki ZX-10R (2006)

This slip-on exhaust system eliminates the stock catalytic converter, saving you over 10 lbs in weig..
$609.00 $548.10
M4 Cat Eliminator Y Pipe for the 2007-2008 Yamaha YZF-R1
Sale

M4 Cat Eliminator Y Pipe for the 2007-2008 Yamaha YZF-R1

Catalytic Converter Eliminator for the 2007-2008 Yamaha R1. Fits stock mufflers and most aftermarket..
$239.00 $215.10
M4 Catalytic Converter Eliminator - Yamaha YZF-R1 (2004 - 2006) M4 Catalytic Converter Eliminator - Yamaha YZF-R1 (2004 - 2006)
Sale

M4 Catalytic Converter Eliminator - Yamaha YZF-R1 (2004 - 2006)

This eliminator will enable you to remove the catalytic converter, giving you more power and reducin..
$239.00 $215.10
M4 GP Slip On System with Black or Titanium Muffler - 2008-2013 Honda CBR1000RR M4 GP Slip On System with Black or Titanium Muffler - 2008-2013 Honda CBR1000RR
Sale

M4 GP Slip On System with Black or Titanium Muffler - 2008-2013 Honda CBR1000RR

This system provides considerably more low end and midrange power, with no other modification. It re..
$539.00 $485.10
M4 Muffler Box Eliminator Kit - Yamaha YZF-R6 (2006 - 2016) M4 Muffler Box Eliminator Kit - Yamaha YZF-R6 (2006 - 2016)
Sale

M4 Muffler Box Eliminator Kit - Yamaha YZF-R6 (2006 - 2016)

This kit allows for the removal of the stock muffler box by cutting the stock exhaust system. This k..
$199.00 $179.10
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