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Engine & Performance

Choose from Engine & Performance products for Harley-Davidson, American V-twin and compatible motorcycle applications. Across the range you will find products for engine components. Compatibility varies, so match the stated model, year and technical details before ordering.

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£1,024.72
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£849.75
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£849.75

Cobra 4" Race Pro Slip-on Mufflers. Black – 1995–2016 FLT/Touring

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Cobra 4" Race Pro Slip-on Mufflers. Black – 1995–2016 FLT/Touring Matte black with gloss black muffler strap. Great flow & go. Internal technol...

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£1,078.00
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£931.15
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£931.15

Cobra Speedster Shorts RPT Exhaust. Black – 2014–2020 XL Sportster

Out of stock

Cobra Speedster Shorts RPT Exhaust. Black – 2014–2020 XL Sportster Black with chrome tips. Cobra''s Speedster systems combine traditional styling a...

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£931.15
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£931.15
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£613.68
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£613.68
£508.88
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£508.88

Cobra 3" RPT Race Pro Slip-on Mufflers. Black – 2014–2022 XL Sportster

Only 3 left!

Cobra 3" RPT Race Pro Slip-on Mufflers. Black – 2014–2022 XL Sportster Satin black with clear coated billet tips. RPTs (Race Pro Tips) come with a ...

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£613.68
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£613.68
£508.88
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£508.88
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£588.20
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£588.20
£507.58
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£507.58

Cobra 3" RPT Race Pro Slip-on Mufflers. Chrome – 2014–2022 XL Sportster

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Cobra 3" RPT Race Pro Slip-on Mufflers. Chrome – 2014–2022 XL Sportster Chrome with black billet tips. RPTs (Race Pro Tips) come with a 3" OD muffl...

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£588.20
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£588.20
£507.58
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£507.58
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£575.47
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£575.47
£497.07
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£497.07

Cobra 3" Slip-on Mufflers. Black – 2014–2022 XL Sportster

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Cobra 3" Slip-on Mufflers. Black – 2014–2022 XL Sportster Black with billet chrome slash tip. Price; performance increase and sound. These are the ...

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£575.47
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£575.47
£497.07
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£497.07
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£562.72
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£466.63
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£466.63

Cobra 3" Slip-on Mufflers. Chrome – 2014–2022 XL Sportster

Only 1 left!

Cobra 3" Slip-on Mufflers. Chrome – 2014–2022 XL Sportster Chrome with billet chrome slash tip. Price; performance increase and sound. These are th...

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£562.72
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£562.72
£466.63
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£466.63
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£626.40
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£626.40
£519.44
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£519.44

Cobra 3" RPT Race Pro Slip-on Mufflers. Black – 1995–2016 FLT/Touring

Only 3 left!

Cobra 3" RPT Race Pro Slip-on Mufflers. Black – 1995–2016 FLT/Touring Satin black with clear coated billet tips. RPTs (Race Pro Tips) come with a 3...

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£626.40
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£626.40
£519.44
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£519.44
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£600.92
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£600.92
£537.55
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£537.55

Cobra 3" RPT Race Pro Slip-on Mufflers. Chrome – 1995–2016 FLT/Touring

Out of stock

Cobra 3" RPT Race Pro Slip-on Mufflers. Chrome – 1995–2016 FLT/Touring Chrome with black billet tips. RPTs (Race Pro Tips) come with a 3" OD muffle...

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£600.92
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£600.92
£537.55
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£537.55
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£534.93
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£534.93
£443.57
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£443.57

Cobra 3" Slip-on Mufflers. Black – 2008–2016 FXDF Fat Bob; 2010–2016 FXDWG…

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Cobra 3" Slip-on Mufflers. Black – 2008–2016 FXDF Fat Bob; 2010–2016 FXDWG… Black with billet chrome slash tip. Price; performance increase and sou...

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£534.93
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£534.93
£443.57
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£443.57
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£1,040.91
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£1,040.91
£863.19
£863.19 - £863.19
£863.19

Cobra Power Pro 2-1 Exhaust (HP Series) – 2012–2017 Softail

Out of stock

Cobra Power Pro 2-1 Exhaust (HP Series) – 2012–2017 Softail Chrome. The Power Pro will outperform any exhaust system in its class. Take the proven ...

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£1,040.91
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£1,040.91
£863.19
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£863.19
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£1,098.82
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£1,098.82
£973.45
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£973.45

Cobra Speedster SlashDown Exhaust. Black – 2012–2017 Softail

Only 2 left!

Cobra Speedster SlashDown Exhaust. Black – 2012–2017 Softail Black with chrome end caps. A classic Hot Rod 2 into 2 system with cutting edge featur...

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£1,098.82
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£1,098.82
£973.45
£973.45 - £973.45
£973.45
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£1,091.86
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£1,091.86
£905.43
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£905.43

Cobra Speedster Short Swept Exhaust. Chrome – 2010–2016 FLT/Touring

Only 2 left!

Cobra Speedster Short Swept Exhaust. Chrome – 2010–2016 FLT/Touring Chrome. A shorter version of its long brother; the Speedster Swept. Designed to...

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£1,091.86
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£1,091.86
£905.43
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£905.43
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£1,241.24
£1,241.24 - £1,241.24
£1,241.24
£1,029.32
£1,029.32 - £1,029.32
£1,029.32

Cobra Speedster Short Swept Exhaust. Black – 2010–2016 FLT/Touring

Only 2 left!

Cobra Speedster Short Swept Exhaust. Black – 2010–2016 FLT/Touring Matte black. A shorter version of its long brother; the Speedster Swept. Designe...

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£1,241.24
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£1,241.24
£1,029.32
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£1,029.32
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£1,017.77
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£1,017.77
£843.99
£843.99 - £843.99
£843.99

Cobra Speedster SlashDown Exhaust. Chrome – 2012–2017 Dyna (Incl. 2012–2016 FLD…

Only 2 left!

Cobra Speedster SlashDown Exhaust. Chrome – 2012–2017 Dyna (Incl. 2012–2016 FLD… Chrome with chrome end caps. A classic Hot Rod 2 into 2 system wit...

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£1,017.77
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£1,017.77
£843.99
£843.99 - £843.99
£843.99
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£1,098.82
£1,098.82 - £1,098.82
£1,098.82
£911.20
£911.20 - £911.20
£911.20

Cobra Speedster SlashDown Exhaust. Black – 2012–2017 Dyna (Incl. 2012–2016 FLD…

Only 2 left!

Cobra Speedster SlashDown Exhaust. Black – 2012–2017 Dyna (Incl. 2012–2016 FLD… Black with chrome end caps. A classic Hot Rod 2 into 2 system with ...

View full details
£1,098.82
£1,098.82 - £1,098.82
£1,098.82
£911.20
£911.20 - £911.20
£911.20
Save 17% Save %
Save 17% Save %
£1,091.86
£1,091.86 - £1,091.86
£1,091.86
£905.43
£905.43 - £905.43
£905.43

Cobra Speedster Short Swept Exhaust. Chrome – 2012–2017 Dyna (Incl. 2012–2016 FLD…

Only 2 left!

Cobra Speedster Short Swept Exhaust. Chrome – 2012–2017 Dyna (Incl. 2012–2016 FLD… Chrome. A shorter version of its long brother; the Speedster Swe...

View full details
£1,091.86
£1,091.86 - £1,091.86
£1,091.86
£905.43
£905.43 - £905.43
£905.43
Save 17% Save %
Save 17% Save %
£1,241.24
£1,241.24 - £1,241.24
£1,241.24
£1,029.32
£1,029.32 - £1,029.32
£1,029.32

Cobra Speedster Short Swept Exhaust. Black – 2012–2017 Dyna (Incl. 2012–2016 FLD…

Only 2 left!

Cobra Speedster Short Swept Exhaust. Black – 2012–2017 Dyna (Incl. 2012–2016 FLD… Black. A shorter version of its long brother; the Speedster Swept...

View full details
£1,241.24
£1,241.24 - £1,241.24
£1,241.24
£1,029.32
£1,029.32 - £1,029.32
£1,029.32
Save 17% Save %
Save 17% Save %
£1,040.91
£1,040.91 - £1,040.91
£1,040.91
£863.19
£863.19 - £863.19
£863.19

Cobra Power Pro 2-1 Exhaust (HP Series) – 1995–2006 FLT/Touring

Only 2 left!

Cobra Power Pro 2-1 Exhaust (HP Series) – 1995–2006 FLT/Touring Chrome. The Power Pro will outperform any exhaust system in its class. Take the pro...

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£1,040.91
£1,040.91 - £1,040.91
£1,040.91
£863.19
£863.19 - £863.19
£863.19
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Sold out
£562.72
£562.72 - £562.72
£562.72
£466.63
£466.63 - £466.63
£466.63

Cobra 3" Slip-on Mufflers. Chrome – 2004–2013 XL Sportster

Out of stock

Cobra 3" Slip-on Mufflers. Chrome – 2004–2013 XL Sportster Chrome with billet chrome slash tip. Price; performance increase and sound. These are th...

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£562.72
£562.72 - £562.72
£562.72
£466.63
£466.63 - £466.63
£466.63
Sold out
Sold out
£562.72
£562.72 - £562.72
£562.72
£466.63
£466.63 - £466.63
£466.63

Cobra 3" Slip-on Mufflers. Chrome – Softail: 2005–2016 FLSTN Nostalgia…

Out of stock

Cobra 3" Slip-on Mufflers. Chrome – Softail: 2005–2016 FLSTN Nostalgia… Chrome with billet chrome slash tip. Price; performance increase and sound....

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£562.72
£562.72 - £562.72
£562.72
£466.63
£466.63 - £466.63
£466.63
Sold out
Sold out
£562.72
£562.72 - £562.72
£562.72
£466.63
£466.63 - £466.63
£466.63

Cobra 3" Slip-on Mufflers. Chrome – 2007–2016 FLSTF Fat Boy; 2007–2016…

Out of stock

Cobra 3" Slip-on Mufflers. Chrome – 2007–2016 FLSTF Fat Boy; 2007–2016… Chrome with billet chrome slash tip. Price; performance increase and sound....

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£562.72
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£562.72
£466.63
£466.63 - £466.63
£466.63
Sold out
Save 17% Save %
£562.72
£562.72 - £562.72
£562.72
£466.63
£466.63 - £466.63
£466.63

Cobra 3" Slip-on Mufflers. Chrome – Softail: 2000–2006 FLSTF Fatboy…

Only 2 left!

Cobra 3" Slip-on Mufflers. Chrome – Softail: 2000–2006 FLSTF Fatboy… Chrome with billet chrome slash tip. Price; performance increase and sound. Th...

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£562.72
£562.72 - £562.72
£562.72
£466.63
£466.63 - £466.63
£466.63
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£1,017.77
£1,017.77 - £1,017.77
£1,017.77
£843.99
£843.99 - £843.99
£843.99

Cobra Speedster SlashDown Exhaust. Chrome – 1991–2005 Dyna

Only 2 left!

Cobra Speedster SlashDown Exhaust. Chrome – 1991–2005 Dyna Chrome with chrome end caps. A classic Hot Rod 2 into 2 system with cutting edge feature...

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£1,017.77
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£1,017.77
£843.99
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£843.99
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£1,006.19
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£1,006.19
£834.39
£834.39 - £834.39
£834.39

Cobra Speedster SlashDown Exhaust. Chrome – 1986–2006 Softail

Out of stock

Cobra Speedster SlashDown Exhaust. Chrome – 1986–2006 Softail Chrome with chrome end caps. A classic Hot Rod 2 into 2 system with cutting edge feat...

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£1,006.19
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£1,006.19
£834.39
£834.39 - £834.39
£834.39
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