Dr Downpipe Motorcycle Exhaust Downpipe Cleaner - 500ML Spray Bottle

Product Information

I’ve tried to condense all the data I gathered from my testing into as easy to digest a format as possible, but I’m well aware that it’s a lot to take in, so here’s a summary…

While S100 Total Gel Cleaner works far better when agitated, it does do a very good job of loosening dirt when you leave it to dwell. That means it requires minimal effort to get a bike properly clean with a brush, and if your machine’s not too grubby you can just spray it on, leave it for 10-20 minutes, then rinse it off without even having to wipe dry. It was the best ‘no-touch’ motorcycle cleaner, but it is expensive and you won’t get a showroom finish on a really dirty bike unless you use a brush.

Readers Discounts

All 70 plates were left overnight to dry before testing saw them held at an angle of 35° and the cleaning products applied as per the instructions; some require the surface to be wet first, while some don’t. Armed with the information below, you can decide how much the potential for damage worries you; after all, a strong degreaser or wheel cleaner that damages polycarbonate or acrylic is fine as long as it doesn’t get near the screen or headlights. I will say overall the result on the wife bike was ok, mine however would go with poor and little change, both our system as SS so unsure why one was better than the other. Maybe someone local to me would like to do a test with the spare remainder and get a 3rd review out of the bottle.

Well it is pretty simple solution to use, spray it on after covering any other areas up, leave for a minute, and then use a pad to wipe off and repeat until clean and shiny. Well that’s seems pretty straight forward, but for me it was not…. After a couple of goes it did not do that well on my rear sections of my system, the header pipes came up a lot better thou, but not a lot of change in the mid to rear. Now could that be to a reason of age its been dirty, or that I have a coating on it… unsure. If it was a coating the same was done to the wife system and that turned out so much better. Special mention goes to the very good cleaning performance of Ammo Magnum Power Cleaner, which has a fairly neutral PH of 6, but had more noticeable marring of the bare steel plate than these others. The same applies to M16 Extreme Bike Clean, which was a great cleaner, but just marked the bare steel that little more. All the products worked best when agitated with a brush, and then the differences were relatively small in most cases. Most would remove my test ‘dirt’ in the end, and the effort required was not that significantly different in the scores between 8 and 10. The issue regarding corrosion is the ‘chloride’ bit of the salt. In ‘chloride nests’ at the base of a corrosion pit, the chloride exists as hydrogen chloride, which in damp conditions creates a solution of dilute hydrochloric acid, and it’s this acid that does the damage. Alkaline products tend to be used in cleaners as they’re effective on oil and grease; acids tend to be more effective on mineral deposits and rust. The PH value of a product indicates acidity (0 to 6) neutral (7) and alkalinity (8 to 14). You can have a very strong acid (0 is the strongest), or a very strong alkali (14) that’s diluted, but they will maintain their PH regardless of how concentrated they are.DrDownpipe Exhaust Remedy is all you need to get your stainless steel Downpipes shining again. With its strong and aggressive formulated solution it will break down even the most in grained dirt on your Downpipes. Some anions – like chloride – can pit metals, while others – like chromate –protect metals but damage the environment. Others – like ‘anionic surfactants’– will degrease metals. And there’s a crazy world in between. Remember, this is all about accelerated testing – trying to show the potential for damage over a long period of time. Think about how hot downpipes get during a ride, baking solid crust upon crust of dirt. And this bike has been ridden most days, year in and year out, for seven years, accumulating layer upon layer of detritus. Yet, with a lot of hard work, DrDownpipe did what it says on the label. That’s very, very impressive. Don’t put methylated spirits anywhere near your motorcycle – it’s the only one in this test that damaged professionally-applied automotive paint.

I haven’t tested any exhaust cleaners, but Dr Downpipe is one example of a product designed for the job – it’s milder, and takes more agitation, but carries fewer risks.The average motorcycle has many different materials used in its construction, each of which could be affected by chemicals over time –that’s why most bike manufacturers will only recommend water and a mild detergent to clean them. What IS the same is that every cleaner really needs agitating to get it to work at its best, so to find what I believe to be the best motorcycle cleaner, we need to first look at material safety. A lot of people worry that washing-up liquid contains salts that will cause your motorcycle to rust, but this isn’t the case. I spoke to Professor Bob Eden PhD– founder and managing director of Rawwater and an Honorary professor at Manchester University, with a master’s degree and doctorate in Corrosive Science and engineering. Introducing our all new DrDownpipe premium formulation chain lube. This has been brought to market after extensive testing,trialing and analysis, to establish a premium product to market. Our premium chain lube follows on from our number one selling motorcycle downpipe cleaner. An aerosol spray lubricant with excellent penetrating properties specially formulated for use on all chains. It leaves a fine clear film of P.T.F.E., eliminating the need for cleaning of chains prior to safety inspection.