M4

M4 BMW S1000RR 2020-2026 GP19 Slip-On The M4 GP19 Slip-On for the 2020–2026 BMW S1000RR delivers aggressive styling and improved exhaust performance while retaining the stock catalytic...

M4 BMW S1000RR 2020-2026 Tech1 Slip-On The M4 Tech1 Slip-On for the 2020–2026 BMW S1000RR features a premium Tech1-style carbon fiber canister that delivers a sleek race-inspired look along...

M4 BMW S1000RR Universal Header Kit The M4 Universal Header Kit for the BMW S1000RR is a high-performance 304 stainless steel racing header assembly designed to significantly improve exhaust flow...

M4 Honda CBR1000RR 2008–2016 Slip-On The M4 Street Slayer Slip-On for the Honda CBR1000RR delivers aggressive styling, improved performance, and a deep, refined exhaust tone. Designed to...

M4 Honda CBR1000RR 2017–2019 Black GP Slip-On The M4 Black GP Slip-On for the Honda CBR1000RR delivers an aggressive sound and compact race-inspired styling. Designed as a lightweight upgrade,...

M4 Honda CBR1000RR 2017–2019 Street Slayer Slip-On (Carbon Fiber) The M4 Street Slayer Slip-On for the Honda CBR1000RR delivers a sleek, aggressive look with a deeper, richer exhaust tone...

M4 Honda CBR500R 2016-2026 Slip-On The M4 Slip-On for the Honda CBR500R delivers improved exhaust performance, reduced weight, and a deeper, more aggressive sound while retaining the stock catalytic...

M4 Honda Rebel 300/500 2017-2024 All Black Retro-Drag Slip-On The M4 All Black Retro-Drag Slip-On for the Honda Rebel 300 and 500 delivers a classic drag-style look with a deeper, more aggressive...

M4 Kawasaki Eliminator 2024–2026 All Black Retro-Drag Slip-On The M4 All Black Retro-Drag Slip-On for the Kawasaki Eliminator delivers a bold, classic-inspired look with modern performance...

M4 Kawasaki Ninja 400 / 500 / Z 2018–2026 Full System (X96 Carbon Fiber Canister) The M4 Full System with X96 carbon fiber canister for the Kawasaki Ninja 400, Ninja 500, and Z models delivers...

M4 Kawasaki Ninja 400 / 500 / Z 2018–2026 Slip-On (X96 Carbon Fiber Canister) The M4 Slip-On with X96 carbon fiber canister for the Kawasaki Ninja 400, Ninja 500, and Z models delivers a...

M4 Kawasaki Ninja 650 2009–2011 Slip-On System (Black GP Canister) Transform your Kawasaki Ninja 650 with the M4 Slip-On System featuring a Black GP canister. Designed to enhance both sound...

M4 Kawasaki Ninja 650 / Z650 2017–2026 Full System (Carbon Fiber Canister) The M4 Full System with carbon fiber canister for the Kawasaki Ninja 650 and Z650 delivers a powerful combination of...

M4 Kawasaki Z1000 / Ninja 1000 2010–2019 Dual Black GP Slip-Ons The M4 Dual Black GP Slip-Ons for the Kawasaki Z1000 and Ninja 1000 deliver aggressive styling and a bold exhaust note with a...

M4 Kawasaki Z900 2017–2026 Slip-On System (Carbon Tech1 Canister) The M4 Slip-On System with Carbon Tech1 canister for the Kawasaki Z900 delivers a refined balance of performance, sound, and...

M4 Kawasaki Z900 2017–2026 Universal Header Kit The M4 Universal Header Kit for the Kawasaki Z900 is engineered to deliver significant performance gains, weight reduction, and improved exhaust...

M4 Kawasaki ZX-10R 2008–2010 Slip-On System (Black GP Canister) The M4 Slip-On System for the Kawasaki ZX-10R (2008–2010) delivers an aggressive GP-style upgrade with a sleek...

M4 Kawasaki ZX-10R 2008–2010 Street Slayer Slip-On (Carbon Fiber Canister) The M4 Street Slayer Slip-On for the Kawasaki ZX-10R (2008–2010) features a lightweight carbon fiber shorty...

M4 Kawasaki ZX-10R 2008–2010 Street Slayer Slip-On (Titanium Canister) The M4 Street Slayer Slip-On for the Kawasaki ZX-10R (2008–2010) features a compact titanium shorty design that...

M4 Kawasaki ZX-10R 2011–2015 Slip-On System (Black GP Canister) The M4 Slip-On System for the Kawasaki ZX-10R (2011–2015) features a sleek black GP-style canister that delivers...

M4 Kawasaki ZX-10R 2011–2015 Street Slayer Slip-On System (Carbon Fiber Canister) The M4 Street Slayer Slip-On System for the Kawasaki ZX-10R (2011–2015) features a lightweight carbon...

M4 Kawasaki ZX-10R 2011–2015 Street Slayer Slip-On System (Titanium Canister) The M4 Street Slayer Slip-On System for the Kawasaki ZX-10R (2011–2015) features a lightweight titanium...

M4 Kawasaki ZX-10R 2016–2020 Black GP19 Slip-On The M4 Black GP19 Slip-On for the Kawasaki ZX-10R (2016–2020) delivers aggressive styling, weight reduction, and increased performance in...

M4 Kawasaki ZX-10R 2016–2020 Full System (Stainless Steel with Black GP19 Canister) The M4 Full System for the Kawasaki ZX-10R (2016–2020) features durable 304 stainless steel tubing...