JHS Racing Store | Motorcycle performance parts & accessories
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To browse products available for your bike, select 'All Products' at the top of the page and select the make, model and year of your machine from the drop-down menus!

YZF R1/M 2015-2019

£ 439.99
M4 GP2 Titanium Slip On Exhaust
M4 GP2 Titanium Slip On Exhaust

Fits: Yamaha R1 2015-2019
Part Number:YA9926-GP
DB Killer: Q1 Quiet insert installed (stage 1) / Stage 2 Insert Q3 - Sold separately.
Additions: Titanium CAT Eliminator Kit - YA-CEKR115-Ti (See below)

This system saves 15lbs over stock. It is the ultimate performance slip-on from M4. Lightest weight, best performing and a true ‘GP’ race bike look.

(Also available in black, please contact us.)
Estimated delivery approximately 7-10 days
£ 534.72
Titanium CAT Eliminator Kit for YA9926-GP

Titanium CAT Eliminator Kit for YA9926-GP
Fits: YA9926GP Slip On for Yamaha R1/M 2015-2019
Part Number: YA-CEKR115-Ti
All Titanium Tubing

Will work with stock muffler or any aftermarket muffler that mounts in standard/stock position. 
Removes 13 lbs off the stock system.

: M4 Recommends re-flashing your stock ECU to unleash the full potential of all M4 products on the 2015 Yamaha R1.

Estimated delivery is approximately 7-10 days.

£ 755.00
Akrapovic Slip On Exhaust -  S-Y10SO16-HAPT
Akrapovic Slip On Kit with Forged Titanium Outlet Cap
Includes Carbon Heat Shield

Road legal

Fits: Yamaha YZF R1/M 2015-2019
Part number: S-Y10SO16-HAPT

The Akrapovic slip-on exhaust is simple to install and a direct replacement. The unique shape muffler dramatically improves your bike's visual appearance, whilst the exhaust itself gives more power, more torque, and less weight.
All parts required for fitment are included (brackets/fittings/link pipe etc.) with full fitting instructions. This is developed to fit without fuel modification, and give you the unique Akrapovic racing sound.