Holts Gun Gum Exhaust Paste, Exhaust Repair Paste, Professional Quality Exhaust Sealant Paste To Create Gas Tight Seal & Stop Leaks, Reliable & Easy To Use For Fast Permanent Exhaust Repair, 200g

This one part provides great coverage can fix leaks within seconds. Good value for money and excellent quality. Good stickiness and sturdy I like that it’s able to go on just like filler great functionality.

Did tell job great 👍, easy to use ,

Brilliant stuff

Very easy to use. It’s sticky and flexible and easy to cover over any cracks. Expect to use a lot. I needed to cover a crack (and used about 3/4 of the tub) and though it’s easy to work with it takes a bit of time to make a good job patching things up as it’s sticky. Once it’s on you MUST let it set which will take at least 24 hours left alone or it will just fall apart. You can speed the drying process up by running the engine low to heat up the exhaust as the heat will harden it but any revving etc will ruin all your efforts and you will need to get another tub. Time and patience is the secret to making this work. After a month or so the hard formed gum around the crack started to crack and get brittle itself but maybe it’s because it’s on a Harley Davidson exhaust which vibrates a lot? So I’m not sure if it’s great for long term use but it helped me short term until I replaced my exhaust. I would buy again if I needed to but will have gloves and baby wipes close by.

Great temporary fix for a small leak which has become more of a permanent fix. Easy to use and very pliable which makes it easier to apply. TIP wear glasses or goggles if applying whilst under vehicle 👍

Always excellent. Good value. Highly recommended.

Applied several times from scratch, but always the same result. Once dried out is too brittle and the exhaust vibrations are enough to shake it off. Not so permanent

It's ok but takes a while to go off not like all those years ago 🙂