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Sprint P08WP Waterproof Air Filter for Harley FLH FLT Electra Road Glide

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Sprint Filter P08WP - The Waterproof Polyester Air Filter
Replaces OEM part no. 29633-08

View Sprint Filter product information sheet here
View independent comparison of leading air filters here

Model compatibility

FLHR Road King 103CI 2012 – 2013
FLHR Road King 96CI 2008 – 2011
FLHRC Road King Classic 103CI 2011 – 2013
FLHRC Road King Classic 96CI 2008 – 2010
FLHRSE4 Screamin Eagle Road King 110CI 2008
FLHT Electra Glide Standard 96CI 2008 – 2010
FLHTC Electra Glide Classic 103CI 2012 – 2013
FLHTC Electra Glide Classic 96CI 2008 – 2011
FLHTCU Electra Glide Ultra Classic 103CI 2012
FLHTCU Ultra Classic Electra Glide 103CI 2013
FLHTCU Ultra Classic Electra Glide 96CI 2008 – 2011
FLHTCUSE3 Screamin Eagle Ultra Classic Electra GL 110CI   2008
FLHTCUSE4 CVO Ultra Classic Electra Glide 110CI 2009
FLHTCUSE5 CVO Ultra Classic Electra Glide 110CI 2010
FLHTCUTG TRI Glide Ultra Classic 103CI 2009 – 2013
FLHTK Electra Glide Ultra Limited 103CI 2010 – 2013
FLHX Street Glide 103CI 2012 – 2013
FLHX Street Glide 96CI 2008 – 2011
FLHXXX Street Glide Trike 103CI 2010 – 2011
FLTR Road Glide 96CI 2008 – 2010
FLTRU Road Glide Ultra 103CI 2011 – 2013
FLTRX Road Glide Custom 103CI 2012 – 2013
FLTRX Road Glide Custom 96CI 2010 – 2011

Sprint P08WP Waterproof Air Filter for Harley FLH FLT Electra Road Glide

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  • Sprint P08WP Waterproof Air Filter for Harley FLH FLT Electra Road Glide

Item Specifics

Product code HD02WP
OEM Part No. 29633-08


The Sprint Filter P08WP polyester air filter is the culmination of more than 60 years of research, development, and experience at the highest levels of competition.

P08WP is a unique, ultra-fine tissue that offers all the advantages of Sprint Filter's P08 tissue but with the added benefit of being waterproof. The technology used is the same, but with the addition of a special treatment formulated by Sprint Filter.

P08WP has been tested according to the ISO 801 standard (determination of resistance to water penetration -- hydrostatic pressure test), and the Wilhelmy plate method for determining the contact angle between a liquid and a surface. To call a filtering element water-repellent, the contact angle must be greater than 90 deg, otherwise the liquid would pass through it's mesh.

Sprint Filter P08WP Water Penetration Testing

The result is a uniquely waterproof air filter suitable for use in all weathers, without the need for a cover or sock.

More power AND better filtration

Cotton and foam air filters typically boast that they deliver more power than OEM filters through improved airflow. Which is often true; the performance of many bikes can be improved with increased air flow using cotton and foam filters. The problem is however that the improved airflow usually comes at the expense of filtration performance. And poor filtration is not good for engine longevity.

The deep-fold design of Sprint Filter air filters, combined with the ultra-fine but highly permeable P08WP polyester material, results not only in increased air-flow but also in superior filtration performance. 

Sprint Filter P08WP

In indepedent lab testing, P80WP produced greater air flow than any other leading brand filter (with the exception of one cotton gauze 'race' filter and Sprint Filter's own P08 filter).

P08: Filtration: 80 microns - Airflow: 5.050 lit/m2/s
P08WP: Filtration: 37 microns - Airflow: 4.750 lit/m2/s

So where a higher flow air filter will improve your bike's performance, P08WP will take advantage while also providing improved filtration, contributing to the longevity of your engine.

Improved Fuel Economy

P08WP's precision-manufactured, ultra-fine polyester filter element provides air flow that is more consistent than typical after-market cotton and foam filters. Air flow consistency helps the bike's ECU maintain the optimum air/fuel mix, resulting in improved fuel economy.

Virtually maintenance free

To clean your Sprint Filter P08WP, simply remove the filter from the airbox, blow it clean with compressed air, and re-insert it. No messy washing, after-market cleaners or oil treatments required, saving you valuable time and money!

Long lifecycle

Being man-made, the P08WP's polyester material will, if properly looked after, display no discernible deterioration or loss of structure or performance over the lifetime of your bike.

Build Quality

With 60 years of experience in producing air filters, and success at the highest levels of competition (including MotoGP, Moto3 and World SBK), you can be confident in the quality of materials and manufacture of your Sprint Filter P08WP air filter

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