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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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Muffler Slip-On 3.5" Duals for Softails Softail
£720.95 - £720.95
£720.95
£731.89
£731.89 - £731.89
£731.89

Muffler Slip-On 3.5" Duals for Softails Softail #500-1201

in stock

Description3.5" Slip-On Muffler Duals for SoftailsRinehart 3-1/2" Dual Slip-On MufflersRinehart Racing mufflers are known worldwide for their disti...

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£720.95 - £720.95
£720.95
£731.89
£731.89 - £731.89
£731.89
Vance & Hines Hi-Output Slip-Ons NON-PCX In Black for Harley-Davidson 2018-2024 Softail Fat Bob Motorcycles Save 15% Save %
£698.21
£698.21 - £698.21
£698.21
£595.33
£595.33 - £595.33
£595.33

Vance & Hines Hi-Output Slip-Ons NON-PCX In Black for Harley-Davidson 2018-2024 Softail Fat Bob Motorcycles #46547

in stock

DescriptionHi-Output Slip-On MufflersStepped, stacked and staggered, these blacked-out slip-on mufflers are perfect for the radically styled Fat Bo...

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£698.21
£698.21 - £698.21
£698.21
£595.33
£595.33 - £595.33
£595.33
Save 15% Save %
Muffler Slip-On 4" Duals for Indian Chief Vintage, Dark Horse
£905.95 - £905.95
£905.95
£919.69
£919.69 - £919.69
£919.69

Muffler Slip-On 4" Duals for Indian Chief Vintage, Dark Horse #500-0503

in stock

Description4" Slip-On Muffler Duals for Indian Chief Vintage, Dark HorseRinehart 4" Slip-On Mufflers For Indian CruiserThe world leader in exhaust ...

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£905.95 - £905.95
£905.95
£919.69
£919.69 - £919.69
£919.69
Muffler Slip-On 3.5" Duals for Softails Softail
£667.74 - £667.74
£667.74
£677.87
£677.87 - £677.87
£677.87

Muffler Slip-On 3.5" Duals for Softails Softail #500-1210C

in stock

Description3.5" Slip-On Muffler Duals for SoftailsRinehart 3-1/2" Dual Slip-On MufflersRinehart Racing mufflers are known worldwide for their disti...

View full details
£667.74 - £667.74
£667.74
£677.87
£677.87 - £677.87
£677.87
Muffler Slip-On 3.5" Duals for Softails Softail
£667.74 - £667.74
£667.74
£677.87
£677.87 - £677.87
£677.87

Muffler Slip-On 3.5" Duals for Softails Softail #500-1210

in stock

Description3.5" Slip-On Muffler Duals for SoftailsRinehart 3-1/2" Dual Slip-On MufflersRinehart Racing mufflers are known worldwide for their disti...

View full details
£667.74 - £667.74
£667.74
£677.87
£677.87 - £677.87
£677.87
Muffler Slip-On 3.5" Duals for Softails Softail
£667.74 - £667.74
£667.74
£677.87
£677.87 - £677.87
£677.87

Muffler Slip-On 3.5" Duals for Softails Softail #500-1200C

in stock

Description3.5" Slip-On Muffler Duals for SoftailsRinehart 3-1/2" Dual Slip-On MufflersRinehart Racing mufflers are known worldwide for their disti...

View full details
£667.74 - £667.74
£667.74
£677.87
£677.87 - £677.87
£677.87
Muffler Slip-On 3.5" Duals for Softails Softail
£667.74 - £667.74
£667.74
£677.87
£677.87 - £677.87
£677.87

Muffler Slip-On 3.5" Duals for Softails Softail #500-1200

in stock

Description3.5" Slip-On Muffler Duals for SoftailsRinehart 3-1/2" Dual Slip-On MufflersRinehart Racing mufflers are known worldwide for their disti...

View full details
£667.74 - £667.74
£667.74
£677.87
£677.87 - £677.87
£677.87
S&S Cycle Black Grand National Slip-Ons for 2018-2023 Harley-Davidson Softail Fat Bob 114 - FXFBS and 2018-2019 Harley-Davidson Softail Fat Bob - FXFB Motorcycles
Save 8% Save %
£670.14
£670.14 - £670.14
£670.14
£613.93
£613.93 - £613.93
£613.93

S&S Cycle Black Grand National Slip-Ons for 2018-2023 Harley-Davidson Softail Fat Bob 114 - FXFBS and 2018-2019 Harley-Davidson Softail Fat Bob - FXFB Motorcycles #550-0734

in stock

DescriptionGrand National Slip-On MufflersUp to 12% more horsepower and 6% more torque (when used with Stealth Air Cleaner Kit)Deep performance rum...

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£670.14
£670.14 - £670.14
£670.14
£613.93
£613.93 - £613.93
£613.93
Save 8% Save %
Vance & Hines Hi-Output Slip-on In Black For 2015-2020 Street & Street Rod Models
Save 13% Save %
£398.50
£398.50 - £398.50
£398.50
£347.85
£347.85 - £347.85
£347.85

Vance & Hines Hi-Output Slip-on In Black For 2015-2020 Street & Street Rod Models #47943

in stock

DescriptionHi-Output Slip-On MufflerGive your XG Street or Street Rod the roar it needsStepped from 4" to 4-1/2"Sleek blacked-out finish with a flu...

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£398.50
£398.50 - £398.50
£398.50
£347.85
£347.85 - £347.85
£347.85
Save 13% Save %
Vance & Hines Twin Slash Round Slip-ons In Chrome NON-PCX For 2017-2024 Freewheeler Models
Save 9% Save %
£581.30
£581.30 - £581.30
£581.30
£527.92
£527.92 - £527.92
£527.92

Vance & Hines Twin Slash Round Slip-ons In Chrome NON-PCX For 2017-2024 Freewheeler Models #16796

in stock

DescriptionTwin Slash Slip-On MufflersSignature twin slash end treatmentOptional quiet insertsSold in pairsMade in the USANotesNOT FOR INTERNATIONA...

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£581.30
£581.30 - £581.30
£581.30
£527.92
£527.92 - £527.92
£527.92
Save 9% Save %
S&S Cycle Black 4 in. Touring Slip-On Mufflers for 2009-2016 Harley-Davidson Touring Models
Save 8% Save %
£653.13
£653.13 - £653.13
£653.13
£598.12
£598.12 - £598.12
£598.12

S&S Cycle Black 4 in. Touring Slip-On Mufflers for 2009-2016 Harley-Davidson Touring Models #550-0692

in stock

DescriptionSlash Cut Slip-On MufflersStripped down styling4" muffler bodyClassic slash cut stylingAggressive soundSold in pairsRemovable dB reducer...

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£653.13
£653.13 - £653.13
£653.13
£598.12
£598.12 - £598.12
£598.12
Save 8% Save %
S&S Cycle Chrome 4 in. Touring Slip-On Mufflers for 2015-2025 Harley-Davidson Trike and 2009-2016 Harley-Davidson Touring Models
Save 8% Save %
£714.81
£714.81 - £714.81
£714.81
£654.87
£654.87 - £654.87
£654.87

S&S Cycle Chrome 4 in. Touring Slip-On Mufflers for 2015-2025 Harley-Davidson Trike and 2009-2016 Harley-Davidson Touring Models #550-0691

in stock

DescriptionSlash Cut Slip-On MufflersStripped down styling4" muffler bodyClassic slash cut stylingAggressive soundSold in pairsRemovable dB reducer...

View full details
£714.81
£714.81 - £714.81
£714.81
£654.87
£654.87 - £654.87
£654.87
Save 8% Save %
S&S Cycle Black 4 in. Touring Slip-On Mufflers for 2017-2026 Harley-Davidson Touring Models
Save 8% Save %
£588.64
£588.64 - £588.64
£588.64
£539.05
£539.05 - £539.05
£539.05

S&S Cycle Black 4 in. Touring Slip-On Mufflers for 2017-2026 Harley-Davidson Touring Models #550-0696

in stock

DescriptionSlash Cut Slip-On MufflersStripped down styling4" muffler bodyAggressive soundRemovable dB reducerSold in pairsMade in the USANotesNOT F...

View full details
£588.64
£588.64 - £588.64
£588.64
£539.05
£539.05 - £539.05
£539.05
Save 8% Save %
S&S Cycle Chrome 4 in. Touring Slip-On Muffler for 2017-2026 Harley-Davidson Touring Models
Save 8% Save %
£670.14
£670.14 - £670.14
£670.14
£613.93
£613.93 - £613.93
£613.93

S&S Cycle Chrome 4 in. Touring Slip-On Muffler for 2017-2026 Harley-Davidson Touring Models #550-0695

Only 4 left!

DescriptionSlash Cut Slip-On MufflersStripped down styling4" muffler bodyAggressive soundRemovable dB reducerSold in pairsMade in the USANotesNOT F...

View full details
£670.14
£670.14 - £670.14
£670.14
£613.93
£613.93 - £613.93
£613.93
Save 8% Save %
S&S Cycle Black Ceramic Grand National 4" Slip-On Muffler for 1995-2016 Harley-Davidson Touring and 2009-2025 Harley-Davidson Trike
Save 8% Save %
£631.43
£631.43 - £631.43
£631.43
£578.26
£578.26 - £578.26
£578.26

S&S Cycle Black Ceramic Grand National 4" Slip-On Muffler for 1995-2016 Harley-Davidson Touring and 2009-2025 Harley-Davidson Trike #550-0690

in stock

DescriptionGrand National Slip-On MufflersRace inspired Grand National endcap4" Muffler bodyHigh flowing baffle designAggressive sound and excellen...

View full details
£631.43
£631.43 - £631.43
£631.43
£578.26
£578.26 - £578.26
£578.26
Save 8% Save %
S&S Cycle Chrome Grand National 4" Slip-On Muffler for 1995-2016 Harley-Davidson Touring and 2009-2025 Harley-Davidson Trike
Sold out
£781.83
£781.83 - £781.83
£781.83
£716.27
£716.27 - £716.27
£716.27

S&S Cycle Chrome Grand National 4" Slip-On Muffler for 1995-2016 Harley-Davidson Touring and 2009-2025 Harley-Davidson Trike #550-0689

Out of stock

DescriptionGrand National Slip-On MufflersRace inspired Grand National endcap4" Muffler bodyHigh flowing baffle designAggressive sound and excellen...

View full details
£781.83
£781.83 - £781.83
£781.83
£716.27
£716.27 - £716.27
£716.27
Sold out
S&S Cycle Black Ceramic Grand National 4" Slip-On Muffler for 2017-2026 Harley-Davidson Touring Models
Save 8% Save %
£781.83
£781.83 - £781.83
£781.83
£716.27
£716.27 - £716.27
£716.27

S&S Cycle Black Ceramic Grand National 4" Slip-On Muffler for 2017-2026 Harley-Davidson Touring Models #550-0694

in stock

DescriptionGrand National Slip-On MufflersRace-inspired Grand National end cap4" muffler bodyHigh flowing baffle designAggressive sound and excelle...

View full details
£781.83
£781.83 - £781.83
£781.83
£716.27
£716.27 - £716.27
£716.27
Save 8% Save %
S&S Cycle Chrome Grand National 4" Slip-On Muffler for 2017-2026 Harley-Davidson Touring Models
Save 8% Save %
£714.81
£714.81 - £714.81
£714.81
£654.87
£654.87 - £654.87
£654.87

S&S Cycle Chrome Grand National 4" Slip-On Muffler for 2017-2026 Harley-Davidson Touring Models #550-0693

in stock

DescriptionGrand National Slip-On MufflersRace-inspired Grand National end cap4" muffler bodyHigh flowing baffle designAggressive sound and excelle...

View full details
£714.81
£714.81 - £714.81
£714.81
£654.87
£654.87 - £654.87
£654.87
Save 8% Save %
S&S Cycle Black Ceramic Grand National 4" Slip-On Muffler for 2017-2020 Harley-Davidson Street Rod XG and 2015-2020 Harley-Davidson Street XG Motorcycles
Save 8% Save %
£353.17
£353.17 - £353.17
£353.17
£323.42
£323.42 - £323.42
£323.42

S&S Cycle Black Ceramic Grand National 4" Slip-On Muffler for 2017-2020 Harley-Davidson Street Rod XG and 2015-2020 Harley-Davidson Street XG Motorcycles #550-0703

in stock

DescriptionGrand National Slip-On MufflerIncreased horsepower and torque (with Stealth Air Cleaner Kit)Race inspired sound and stainless steel baff...

View full details
£353.17
£353.17 - £353.17
£353.17
£323.42
£323.42 - £323.42
£323.42
Save 8% Save %
Muffler Slip-On 4" Duals for Touring Touring Black
£905.95 - £905.95
£905.95
£919.69
£919.69 - £919.69
£919.69

Muffler Slip-On 4" Duals for Touring Touring Black #500-0107

in stock

Description4" Slip-On Muffler Duals for TouringRinehart 4" Slip-On MufflersGive your bike rumble and roar with Rinehart’s distinct sound that stand...

View full details
£905.95 - £905.95
£905.95
£919.69
£919.69 - £919.69
£919.69
Muffler Slip-On 4" Duals for Touring Touring Chrome
£850.19 - £850.19
£850.19
£863.09
£863.09 - £863.09
£863.09

Muffler Slip-On 4" Duals for Touring Touring Chrome #500-0106

in stock

Description4" Slip-On Muffler Duals for TouringRinehart 4" Slip-On MufflersGive your bike rumble and roar with Rinehart’s distinct sound that stand...

View full details
£850.19 - £850.19
£850.19
£863.09
£863.09 - £863.09
£863.09
S&S Cycle Hi-Temp Black Ceramic 4-1/2 in. Mk45 Slip-On Mufflers w/Black Contrast Machined Tracer End Caps for 2017-2026 Harley-Davidson Touring Models
Save 8% Save %
£908.40
£908.40 - £908.40
£908.40
£832.23
£832.23 - £832.23
£832.23

S&S Cycle Hi-Temp Black Ceramic 4-1/2 in. Mk45 Slip-On Mufflers w/Black Contrast Machined Tracer End Caps for 2017-2026 Harley-Davidson Touring Models #550-0670

in stock

Description4-1/2" MK45 Performance MufflersMk45 4-1/2" Touring Mufflers are the result of decades of riding, racing and tuningCombines both a stain...

View full details
£908.40
£908.40 - £908.40
£908.40
£832.23
£832.23 - £832.23
£832.23
Save 8% Save %
S&S Cycle Chrome 4-1/2 in. Mk45 Slip-On Mufflers w/Black Contrast Machined Tracer End Caps for 2017-2026 Harley-Davidson Touring Models
Save 8% Save %
£902.52
£902.52 - £902.52
£902.52
£826.52
£826.52 - £826.52
£826.52

S&S Cycle Chrome 4-1/2 in. Mk45 Slip-On Mufflers w/Black Contrast Machined Tracer End Caps for 2017-2026 Harley-Davidson Touring Models #550-0668

in stock

Description4-1/2" MK45 Performance MufflersMk45 4-1/2" Touring Mufflers are the result of decades of riding, racing and tuningCombines both a stain...

View full details
£902.52
£902.52 - £902.52
£902.52
£826.52
£826.52 - £826.52
£826.52
Save 8% Save %
S&S Cycle Chrome 4-1/2 in. Mk45 Slip-On Mufflers w/Chrome Machined Tracer End Caps for 2017-2026 Harley-Davidson Touring Models
Save 8% Save %
£813.38
£813.38 - £813.38
£813.38
£744.88
£744.88 - £744.88
£744.88

S&S Cycle Chrome 4-1/2 in. Mk45 Slip-On Mufflers w/Chrome Machined Tracer End Caps for 2017-2026 Harley-Davidson Touring Models #550-0669

in stock

Description4-1/2" MK45 Performance MufflersMk45 4-1/2" Touring Mufflers are the result of decades of riding, racing and tuningCombines both a stain...

View full details
£813.38
£813.38 - £813.38
£813.38
£744.88
£744.88 - £744.88
£744.88
Save 8% Save %

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