"I have used this on a few cars over the years and it makes a big difference to the mpg and the engine does sound alot healthier. I put this into a nearly empty tank and then fill up using shell v"... (read full reviews)
"Fantastic hand cleaner. Especially good at getting grease and paint off.
My Dad used to use this for getting grease and oil off when he worked in the railways when I was little and it's exactly like"... (read full reviews)
"Order was waiting for me.Good sms informationtelling me in advance.No hassle, no quibble 10 minutes in the store and got on with my journey in a car that needs the correct spec oil.
Well Done Halfords"... (read full reviews)
"I bought this over a year ago as it was on offer and it worked a treat. My engine was clogging up and chugging a lot which meant id to drop the gears and blow out a load of smoke. I used this"... (read full reviews)
"Had 750ml put into my Rover 2ltr Turbo Diesel Engine and went on a 250 miles road trip and it runs a lot quieter and smoother, starts better in the mornings. Would definitely recomend Slick 50. Also"... (read full reviews)
"After having so many problems with the Diesel Particulate Filter on my Ford Focus, I had that and the EGR valve removed completely and the ECU remapped. My only concern was the increase in emissions"... (read full reviews)
"I have use this product for many years - good for cleaning fuel systems / injectors etc.. Always good to use before an MOT to clean the fuel system. Simple to use - just pour into your fuel tank when"... (read full reviews)
"I have been using mobil 1 oil since 1991. It is simply the best oil bar none. If you care about your car this is the oil to go for. Also wanted to mention the fabulous service at halfords. I checked"... (read full reviews)
"The online reserve and collect service was really easy and the item was waiting for me upon arrival. It wa the correct product and saved me time not having to search for it myself."... (read full reviews)