Timmyb Posted May 27, 2017 Share Posted May 27, 2017 Is there anything you guys use to coat your exhaust? Ive used high temp exhaust paint before on my kw but it's still rusting. Can't remember the brand. Didn't use a primer and not sure if you need too? An acquaintance has had his exhaust hot dipped which is basically galvanised. Not sure if they need the exhaust super clean to do that. I didn't want to go the ceramic coating way, as it a working truck and the bits I'm doing won't be seen. And not sure of cost of ceramic coating? Thanks in advance. Quote Link to comment https://www.bigmacktrucks.com/topic/49994-exhaust-coating/ Share on other sites More sharing options...
jackb61sx Posted May 27, 2017 Share Posted May 27, 2017 I went to my local hardware store and got a paint made for gas grills to paint them, It came in a gloss gray/silver color and was good up to 1,200 degrees. Its been on 2 years now and works great. Quote Link to comment https://www.bigmacktrucks.com/topic/49994-exhaust-coating/#findComment-370885 Share on other sites More sharing options...
Timmyb Posted May 28, 2017 Author Share Posted May 28, 2017 Sounds ok. Do you need to cure the paint any special way? I've seen some brands say to run the vehicle for 10 mins or so but my truck won't be able to run for a month or so as it's got no fuel tanks just yet. Quote Link to comment https://www.bigmacktrucks.com/topic/49994-exhaust-coating/#findComment-370919 Share on other sites More sharing options...
rryanmon Posted May 29, 2017 Share Posted May 29, 2017 Prep is also important. I would sand it and apply a good high temp primer. Quote Link to comment https://www.bigmacktrucks.com/topic/49994-exhaust-coating/#findComment-370983 Share on other sites More sharing options...
Dirtymilkman Posted May 29, 2017 Share Posted May 29, 2017 After you you sand it be sure to wipe it down with a good paint prep like prepsol. There's a shop in my area that ceramic coats and he was very reasonable priced. Did a set of V8 headers for $60 Quote Link to comment https://www.bigmacktrucks.com/topic/49994-exhaust-coating/#findComment-370993 Share on other sites More sharing options...
Timmyb Posted June 1, 2017 Author Share Posted June 1, 2017 Thanks for your replies. I'll definitely try and clean and sand as best I can. I picked up a new muffler off eBay for less then $100 shipped to Aus. Nice stainless job, they claim it's made in the USA. Thats it next to my original one. Hope it sounds good. Quote Link to comment https://www.bigmacktrucks.com/topic/49994-exhaust-coating/#findComment-371203 Share on other sites More sharing options...
Vladislav Posted June 30, 2017 Share Posted June 30, 2017 On 01.06.2017 at 3:32 PM, Timmyb said: Thanks for your replies. I'll definitely try and clean and sand as best I can. I picked up a new muffler off eBay for less then $100 shipped to Aus. Nice stainless job, they claim it's made in the USA. Thats it next to my original one. Hope it sounds good. Sorry and maybe I'm wrong, but it doesn't look like stainless. Quote Никогда не бывает слишком много грузовиков! leversole 11.2012 Link to comment https://www.bigmacktrucks.com/topic/49994-exhaust-coating/#findComment-373859 Share on other sites More sharing options...
Timmyb Posted July 1, 2017 Author Share Posted July 1, 2017 I'm of the belief it's a lower grade stainless steel. I've had grade 304 on car exhausts before it it's super shiny like chrome almost. Then I've had other car stainless car exhausts and looked nothing like stainless. Quote Link to comment https://www.bigmacktrucks.com/topic/49994-exhaust-coating/#findComment-373891 Share on other sites More sharing options...
41chevy Posted July 1, 2017 Share Posted July 1, 2017 13 hours ago, Timmyb said: I'm of the belief it's a lower grade stainless steel. I've had grade 304 on car exhausts before it it's super shiny like chrome almost. Then I've had other car stainless car exhausts and looked nothing like stainless. Probably 301 Stainless, good weldability. Better wear resistance and fatigue strength than 304 in exhaust products. 1 Quote "OPERTUNITY IS MISSED BY MOST PEOPLE BECAUSE IT IS DRESSED IN OVERALLS AND LOOKS LIKE WORK" Thomas Edison “Life’s journey is not to arrive at the grave safely, in a well preserved body, but rather to skid in sideways, totally worn out, shouting ‘Holy shit, what a ride!’” P.T.CHESHIRE Link to comment https://www.bigmacktrucks.com/topic/49994-exhaust-coating/#findComment-373918 Share on other sites More sharing options...
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