Intake flanges and seals are designed specifically for any head and throttle body combination.  Flanges are manufactured on state-of-the-art CNC machinery from aero-space grade billet 6061 aluminum.  They are not prone to cracking or warping like other forged products.

HPI-IF-6L - ’06-later throttle body to ’06-later heads

HPI-IF-6E - ’06-later throttle body to ’05-earlier heads

HPI-IF-5L - ’95-’05 throttle body to ’06-later heads

HPI-IF-19 - ’06-later throttle bodies with 1.900 Intake Port

HPI-IF-6OE - ’06-later stock throttle bodies original equip

HPI-IF-5OE - ’01-’05 stock throttle bodies original equip

HPI-IF-6LS - ’06-later throttle bodies chromoly flanges

HPI-IF-O - ’06-later o-ring flanges for all HPi manifolds

HPI-IF-RS - Set of Replacement Seals Only
HPI-IF-RSM8 - Set of Replacement Seals Milwaukee 8 Models

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Replacement Air Filters for the Billet-Pro and V2 Air Cleaners.  This includes the filter element only.

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E-3300  - V2 for Cable Driven and Throttle-By-Wire Touring models 
                     6.40" X 2.77" Tall
W-3300 - V2 for Milwaukee Eight® models only 6.40" x 2.22" Tall
HD-0800 - Billet-Pro for Cable Driven models, including Sportster®
HD-0818 - Billet-Pro for Throttle-By-Wire Touring models

TR-5433  - Tunnel Ram Air Filter HPi Tapered 5 x 4 x 3.3 Throat

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Replacement Air Filter, Stand off Studs and Screws to change your V2 Air Cleaner to the "skinny" or "tall" option.  This includes the filter element, stand offs and screws.

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"Tall Option" - E-3300 V2 filter and Studs (Filter 6.40" X 2.77" Tall)

"Skinny" Option W-3300 V2 filter and studs (Filter 6.40" x 2.22" Tall)

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The V2 Replacement Hardware Kit includes a set of mounting bolts & spacers, o-rings, a breather bolt cover, front plate screws and a gasket for the specific model air cleaner chosen upon ordering. 

Remove filter and inspect for damage or wear.  Spray liberal amount of cleaner solution on the filter and let it sit for 8-10 minutes to allow the cleaner to work.  Rinse filter gently with water.  DO NOT use high pressure nozzles or a pressure washer.  Normal water pressure from a sink or hose is all that is needed.  Rinse filter until you no longer see soal residue rinsing from the filter.  Place the filter in the sun or someplace dry.  You need to allow enough time for the filter to dry completely.  NEVER use compressed air to dry filters.  Once the filter is dry apply the filter oil.  This is done by applying a bead of oil around the circumference of the filter about 1/4 way down from each edge.  Let the filter sir for approximately 1 hour and the oil should have wicked through the filter to cover the un-oiled areas.  If there are areas where the oil didn't cover well, put a few drops in that area to complete oiling. Your filter is now ready to re-install.

Throttle Body Rebuild Kits for 2001-2005,  2006-'17 Big Twin/Twin Cam, 2008-2016 Big Twins and also Milwaukee Eight® HPi Throttle Body models.  Kits include necessary o-rings, gaskets, seals for replacement rebuild kits.  Vary by model.