Competition Werkes Exhaust Insert db Killer | Large

Fitment: Aprilia RSV4 2010-2015, 2017-2020; Aprilia TUONO V4 2011-2015, 2017-2020; Aprilia RSV4 RF 2015-2016; Aprilia RSV4 RR 2016; BMW S1000RR 2010-2014; BMW R NINET 2014-2020; BMW S1000R 2014-2016; Ducati DIAVEL 2011-2017; Ducati MONSTER 1100 EVO 2011-2013; Ducati HYPERMOTARD 821 2013-2015; Ducati HYPERSTRADA 821 2013-2015; Ducati MONSTER 1200 2014-2020; Ducati MONSTER 821 2015-2020; Ducati HYPERMOTARD 939 2016-2018; Ducati HYPERSTRADA 939 2016; Ducati SUPERSPORT 2017-2022; Ducati SCRAMBLER 1100 2018-2021; KTM 1290 SUPER DUKE 2014-2019; Kawasaki ZX 10R 2008-2021; Kawasaki Z900 2017-2020; Suzuki GSX R1000 2007-2011, 2017-2020; Yamaha R1 2015-2021; Yamaha FZ 10 2017; Yamaha MT 10 2018-2020

Is your WerkesUSA exhaust a little too loud? Bolt this in to reduce the db's by about 8-10%

The Large Exhaust insert fits WerkesUSA slip-ons with 2.00" (50mm) diameter exit.

Dual exhausts require two inserts

For exhaust with 1.625" (41mm) exits please see our Small Insert

Installation Instructions

Note: ONLY compatible with WerkesUSA exhaust with 3 mounting bolts in the exit of the muffler.

Official Competition Werkes product page