Harley-Davidson Road Glide Tuning

Genuine HD tuning and aftermarket alternatives that fit the Road Glide — all years. Select your year for exact fitment and pricing.

Select your year for exact fitment & prices

Genuine Harley-Davidson (2)

Aftermarket alternatives

Aftermarket tuning that fit the Road Glide. Genuine Harley-Davidson is listed above, not here.

TUNING LICENSE FOR DIAG-4-BIKE

Diag4Bike

TUNING LICENSE FOR DIAG-4-BIKE

In stock
Iron Pass £162.24£190.87View
WEGO III WIDE-BAND AIR-FUEL RATIO TUNING AID

Daytona Twin Tec

WEGO III WIDE-BAND AIR-FUEL RATIO TUNING AID

In stock
Iron Pass £517.84£609.22View
DIAG-4-BIKE SERIAL DIAGNOSTIC & FLASH TUNING

Diag4Bike

DIAG-4-BIKE SERIAL DIAGNOSTIC & FLASH TUNING

In stock
Iron Pass £817.22£961.43View
Exhaust System Slimline 45 2 into 2 for Touring<br><ul><li>Slimline Catalyst Duals Exhaust System</li><li>Get the look, sound and performance of our famous Slimline Duals system while meeting CARB and EPA regulations</li><li>Unique design moves the catalytic converter away from both rider and passenger’s feet and legs, to prevent heat irritation and offer a cooler, more enjoyable ride</li><li>Sold in a complete system with your choice of either 4” mufflers, for a classic Rinehart look and throaty sound, or MotoPro45 4.5” mufflers, for a bigger look and an even deeper, warmer tone</li><li>Rinehart engineered Power Flow catalysts outperform even “open” catalyst free systems, for a significant increase in power and torque over other exhausts</li><li>Laser cut heat shields come pre-installed to save you time and labor</li><li>Features 12mm &amp;amp; 18mm O2 ports, with optimum placement for dyno tuning and proper measurement of the exhaust gas concentration from the port</li></ul>

Rinehart Racing

Exhaust System Slimline 45 2 into 2 for Touring<br><ul><li>Slimline Catalyst Duals Exhaust System</li><li>Get the look, sound and performance of our famous Slimline Duals system while meeting CARB and EPA regulations</li><li>Unique design moves the catalytic converter away from both rider and passenger’s feet and legs, to prevent heat irritation and offer a cooler, more enjoyable ride</li><li>Sold in a complete system with your choice of either 4” mufflers, for a classic Rinehart look and throaty sound, or MotoPro45 4.5” mufflers, for a bigger look and an even deeper, warmer tone</li><li>Rinehart engineered Power Flow catalysts outperform even “open” catalyst free systems, for a significant increase in power and torque over other exhausts</li><li>Laser cut heat shields come pre-installed to save you time and labor</li><li>Features 12mm &amp;amp; 18mm O2 ports, with optimum placement for dyno tuning and proper measurement of the exhaust gas concentration from the port</li></ul>

In stock
£1292.99Iron Pass £1034.39£1099.04View
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S&S

Single-Bore Manifold<br><ul><li>Designed for riders seeking the greatest possible performance gains from their fuel-injected engines</li><li>For maximum tunability and performance gains an S&amp;amp;S Variable Fuel-Injection (VFI) module is recommended (sold separately), but any compatible, programmable module with enough capability and tuning range can be used</li><li>Components must be purchased separately to complete a Single-Bore EFI assembly</li><li>Made in the U.S.A.</li><li>Appropriate air cleaner kit must be ordered separately</li></ul>

In stock
Iron Pass £157.51£185.30View