This Heavy Breather Elite Air Cleaner features a forward-facing filter element that flows huge volumes of clean air. The low-profile cast elbow and the oval cross-section element combine to hug the engine to provide increased leg room. The intake tube mounts to a custom back plate that features integral breathers, and covers the throttle body and electronics for a finished look. Available in your choice of chrome or gloss black finish, the Heavy Breather Elite kit features a washable and re-chargeable filter features bright chrome end caps and trim with Screamin' Eagle® script. Kit includes filter, intake tube, custom back plate, water-repellent rain sock and all mounting hardware All EFI-equipped models require ECM calibration (priced separately) Recalibration is required for proper installations Labor costs not included See dealer for details Fits '16-later FXDLS and Softail®, '11-later CVO™ Softail® and '14-later Touring and Freewheeler™ models.

Does not fit models equipped with Twin-Cooled engine, fairing lower glove box or fairing lower speakers. Also fits '16-later FXDLS and Softail®, '14-later CVO™ Softail®, and '14-later Touring models equipped with Screamin' Eagle® 58mm Throttle Body. CVO Softail Convertible FLSTSE2 CVO Softail Convertible FLSTSE3 CVO Softail Deluxe FLSTNSE CVO Road King FLHRSE6 Low Rider S FXDLS Softail Slim S FLSS Fat Boy S FLSTFBS CVO Pro Street Breakout FXSE Recalibration is required for proper installation, and will allow engine to rev to 6200 RPM. See Dealer for details. The washable and rechargeable filter uses a special coating to help filter fine particles from the incoming air. With time, the oil in the filter will dissipate and the element will begin to turn gray. The original red color can be restored with an application of K&N Air Filter Oil. 22Product Q&AAsk your questions. 1 Will this air cleaner fit a Street 750? I've seen some custom Street 750s on the internet with this air cleaner on them, however I noticed that it does not say that it will work on a Street.

Any clarification is appreciated! After the Custom Kings contest, we saw a lot of different mods done to the Streets. Not all have been tested and validated by our designers and engineers though.With that being said, we aren't offering the Heavy Breather for the Street models at this time. We do have the S.E. Performance Air Cleaner kit to give the Streets a power boost. 1 What recalibration is needed if this is air cleaner is installed on a bike that does not have a power commander installed? Hello JCJohns,Please contact your local dealership to find out which calibration will be required.Backfiring in the exhaust system of your motorcycle is created by the same three necessary elements for combustion inside the engine; oxygen, fuel and ignition. Because the heat of the exhaust will supply the ignition, let's discuss the other two. The backfiring during acceleration is a serious engine related (cam timing, bad valve seat seal, etc.) problem and can not be fixed with air/fuel mixture changes.

Backfiring on deceleration is much more common and often occurs when exhaust and fuel mixture changes are made. This is what we are going to discuss. All fuel injection systems turn off the fuel during deceleration when the throttle is fully closed, then turns the fuel back on down to idle once the engine reaches a predetermined r.p.m. spray gun cleaner ukThis is a most important indicator of what is happening. best brake cleaner for gunsIf a motorcycle backfires down through the entire r.p.m. range during deceleration, then most likely the injectors are not turning off as intended, and this indicates a possible issue with the fuel injection system. nasa plants clean air listThere are numerous possibilities, including but not limited to;

improper Throttle Position Sensor (TPS) setting, bad cold start and/or temp sensors, throttle cable adjustment, etc. Visit your dealership or shop manual and fix this problem or problems before proceeding. Remember that your bike may well have had this pre-existing problem; adding the less restrictive exhaust or tuning fuel may just make it more noticeable. Now, if backfiring is only present in the lower r.p.m. range usually the lower third of the full r.p.m. range, that is confirming that the injectors are coming back on and now that fuel is igniting in the exhaust. But, there has to be oxygen (fresh air) present to create that ignition. There are numerous ways oxygen can end up in the exhaust system, especially if you are riding a large V-twin motorcycle. On deceleration, with the throttle plate closed, the pistons are still pulling a large vacuum that is not being fed by the throttle opening, so any tiny opening at gaskets, seals, joints, slip fits, must be suspect. Even though exhaust isn't coming out of a lose connection, it doesn't mean air can't be drawn back through under high vacuum.

So, first, what have you changed on your motorcycle? This must be the first place you look. Also, the exhaust system itself may be drawing fresh air back into the exhaust. Very short and/or no baffles can allow exhaust to rush out but fresh air to rush back in, along the sides of the inside of the pipes. This is known as fresh air inversion, and is common with very short exhaust pipes, large diameter straight pipes and/or no baffles. Also a one-into-two rear head pipe design on a stock Harley dresser allows fresh air to be drawn up through the left hand muffler. The intake side also needs scrutiny; even if there have been no modifications. Fresh air can be introduced by intake manifold leaks, or in many Japanese bikes, exhaust gas emission systems. Harleys have a rubber intake gasket that can become overheated and damaged and the slightest movement while changing an air cleaner system can open up a leak. The Japanese twins use reed valves or mechanical one-way valves that can get stuck, allowing fresh air to get past and into the exhaust.