Spcifications
Height    1.438 in (37 mm)
Washable    Yes
Outside Length    7.75 in (197 mm)
Outside Width    6.938 in (176 mm)
Weight    1.4 lb (0.6 kg)

Product Box Height    8.5 in (216 mm)
Product Box Length    8.5 in (216 mm)
Product Box Width    3.63 in (92 mm)

Cross reference part numbers are:
Husqvarna 54806516000
KTM 77206015000

K&N Applications for KT-4511XD:
2016 KTM 500 XC-W 510
2016 KTM 500 EXC 510
2016 KTM 450 XC-W 449
2016 KTM 450 EXC Six Days 449
2016 KTM 450 EXC 449
2016 KTM 300 XC-W 293
2016 KTM 300 XC-W 293
2016 KTM 300 XC 293
2016 KTM 300 EXC-E 300
2016 KTM 250 XC-W 249
2016 KTM 250 XC 249
2016 KTM 250 SX 249
2016 KTM 250 EXC-F Six Days 250
2016 KTM 250 EXC-F 250
2016 KTM 200 XC-W 193
2016 KTM 200 EXC 200
2016 KTM 125 EXC 125
2016 Husqvarna TE300 293
2016 Husqvarna TE250 249
2016 Husqvarna TE125 125
2016 Husqvarna TC85 17/14 85
2016 Husqvarna TC250 249
2016 Husqvarna FE501S 510
2016 Husqvarna FE501 510
2016 Husqvarna FE450 449
2015 KTM 500 XC-W 510
2015 KTM 500 EXC Six Days 510
2015 KTM 500 EXC 510
2015 KTM 450 XC-W 449
2015 KTM 450 EXC Six Days 449
2015 KTM 450 EXC 449
2015 KTM 300 XC-W 293
2015 KTM 300 XC 293
2015 KTM 300 EXC-E 300
2015 KTM 250 XC-W 249
2015 KTM 250 XC 249
2015 KTM 250 SX 249
2015 KTM 250 EXC-F Six Days 250
2015 KTM 250 EXC-F 250
2015 KTM 200 XC-W 193
2015 KTM 200 EXC 200
2015 KTM 150 SX 144
2015 KTM 125 SX 124
2015 KTM 125 EXC 125
2015 Husqvarna TE300 293
2015 Husqvarna TE250 249
2015 Husqvarna TE125 125
2015 Husqvarna TC85 17/14 85
2015 Husqvarna TC250 249
2015 Husqvarna TC125 125
2015 Husqvarna FE501 510
2014 KTM 500 XC-W 510
2014 KTM 500 EXC Six Days 510
2014 KTM 500 EXC 510
2014 KTM 450 XC-W 449
2014 KTM 450 EXC Six Days 449
2014 KTM 450 EXC 449
2014 KTM 300 XC-W 293
2014 KTM 300 XC 293
2014 KTM 300 EXC-E 300
2014 KTM 250 XC-W 249
2014 KTM 250 XC 249
2014 KTM 250 SX-F 249
2014 KTM 250 SX 249
2014 KTM 250 EXC-F Six Days 250
2014 KTM 250 EXC-F 250
2014 KTM 200 XC-W 193
2014 KTM 200 EXC 200
2014 KTM 150 XC 144
2014 KTM 150 SX 144
2014 KTM 125 SX 124
2014 KTM 125 EXC 125
2014 Husqvarna TE300 293
2014 Husqvarna TE250 249
2014 Husqvarna TC85 17/14 85
2014 Husqvarna TC250 249
2014 Husqvarna TC125 125
2014 Husqvarna FE501 510
2013 KTM 500 XC-W 510
2013 KTM 500 EXC Six Days 510
2013 KTM 500 EXC 510
2013 KTM 450 XC-W 449
2013 KTM 450 EXC Six Days 449
2013 KTM 450 EXC 449
2013 KTM 300 XC-W 293
2013 KTM 300 XC 293
2013 KTM 300 EXC-E 300
2013 KTM 250 XCF-W 249
2013 KTM 250 XC-W 249
2013 KTM 250 XC 249
2013 KTM 250 SX 249
2013 KTM 250 EXC-F Six Days 250
2013 KTM 250 EXC-F 250
2013 KTM 200 XC-W 193
2013 KTM 200 EXC 200
2013 KTM 150 XC 144
2013 KTM 150 SX 144
2013 KTM 125 SX 124
2013 KTM 125 EXC 125
2012 KTM 500 XC-W 510
2012 KTM 500 EXC Six Days 510
2012 KTM 500 EXC 510
2012 KTM 450 XC-W 449
2012 KTM 450 SX-F Factory Edition 449
2012 KTM 450 SX-F 449
2012 KTM 450 SMR 449
2012 KTM 450 EXC Six Days 449
2012 KTM 450 EXC 449
2012 KTM 300 XC-W 293
2012 KTM 300 XC 293
2012 KTM 300 EXC-E 300
2012 KTM 250 XCF-W 249
2012 KTM 250 XC-W 249
2012 KTM 250 XC-F 249
2012 KTM 250 XC 249
2012 KTM 250 SX-F 249
2012 KTM 250 SX 249
2012 KTM 250 EXC-F Six Days 250
2012 KTM 250 EXC-F 250
2012 KTM 200 XC-W 193
2012 KTM 200 EXC 200
2012 KTM 150 XC 144
2012 KTM 150 SX 144
2012 KTM 125 SX 124
2012 KTM 125 EXC 125
2011 KTM 530 XC-W Six Days 530
2011 KTM 530 XC-W 530
2011 KTM 530 EXC-R 530
2011 KTM 450 XC-W Six Days 449
2011 KTM 450 XC-W 449
2011 KTM 450 SX-F 449
2011 KTM 300 XC-W 293
2011 KTM 300 XC 293
2011 KTM 300 EXC-E 300
2011 KTM 250 XCF-W Six Days 249
2011 KTM 250 XC-W 249
2011 KTM 250 XC-F 249
2011 KTM 250 XC 249
2011 KTM 250 SX-F 249
2011 KTM 250 SX 249
2011 KTM 250 EXC-F 250
2011 KTM 200 XC-W 193
2011 KTM 200 EXC 200
2011 KTM 150 XC 144
2011 KTM 150 SX 144
2011 KTM 125 SX 124
2010 KTM 530 XC-W Six Days 530
2010 KTM 530 XC-W 530
2010 KTM 530 EXC-R 530
2010 KTM 450 XC-W Six Days 449
2010 KTM 450 XC-W 449
2010 KTM 450 SX-F 449
2010 KTM 450 EXC-R 449
2010 KTM 450 EXC 449
2010 KTM 400 XC-W 400
2010 KTM 300 XC-W 293
2010 KTM 300 XC 293
2010 KTM 300 EXC-E 300
2010 KTM 250 XCF-W 249
2010 KTM 250 XC-W 249
2010 KTM 250 XC 249
2010 KTM 250 SX-F 249
2010 KTM 250 SX 249
2010 KTM 250 EXC-F 250
2010 KTM 200 XC-W 193
2010 KTM 200 EXC 200
2010 KTM 150 XC 144
2010 KTM 150 SX 144
2010 KTM 125 SX 124
2009 KTM 530 XC-W 530
2009 KTM 530 EXC-R 530
2009 KTM 505 XC-F 478
2009 KTM 450 XC-W 449
2009 KTM 450 XC-F 449
2009 KTM 450 SX-F 449
2009 KTM 450 EXC-R 449
2009 KTM 450 EXC 449
2009 KTM 400 XC-W 400
2009 KTM 300 XC-W 293
2009 KTM 300 XC 293
2009 KTM 300 EXC-E 300
2009 KTM 250 XCF-W 249
2009 KTM 250 XC-W 249
2009 KTM 250 XC-F 249
2009 KTM 250 XC 249
2009 KTM 250 SX-F 249
2009 KTM 250 EXC-F 250
2009 KTM 200 XC-W 193
2009 KTM 200 XC 193
2009 KTM 200 EXC 200
2009 KTM 150 SX 144
2009 KTM 125 SX 124
2008 KTM 530 EXC-R 530
2008 KTM 505 XC-F 478
2008 KTM 505 SX-F 505
2008 KTM 450 XC-F 449
2008 KTM 450 XC 449
2008 KTM 450 SXS 449
2008 KTM 450 SX-F 449
2008 KTM 450 EXC-R 449
2008 KTM 300 XC-W 293
2008 KTM 300 XC 293
2008 KTM 300 EXC-E 300
2008 KTM 250 XCF-W 249
2008 KTM 250 XC-W 249
2008 KTM 250 XC-F 249
2008 KTM 250 XC 249
2008 KTM 250 SXS-F 249
2008 KTM 250 SX-F 249
2008 KTM 250 SX 249
2008 KTM 250 EXC-F 250
2008 KTM 200 XC-W 193
2008 KTM 200 XC 193
2008 KTM 200 EXC 200
2008 KTM 144 SX 144
2008 KTM 125 SXS 124
2008 KTM 125 SX 124
2007 KTM 505 SXF Preseries 505
2007 KTM 450 SXS 449
2007 KTM 450 SX-F 449
2007 KTM 250 SXS-F 249
2007 KTM 250 SXS 249
2007 KTM 250 SX-F 249
2007 KTM 250 SX 249
2007 KTM 144 SX 144
2007 KTM 125 SXS 124
2007 KTM 125 SX 124