Painting Aluminized Steel Exhaust

Headers are hardest on the paints.

Painting aluminized steel exhaust.

Either will rust aluminized is just a steel pipe with a coating on the outside. The hard part with exhaust painting is the expansion and contraction with the heat and cool makes the paint crack and flake. I m too poor for the expensive stuff. Our engine block paint comes in dozens of universal colors as well as oem shades such as old ford blue hemi orange and buick red.

I do take the time to clean the exhaust and paint it prior install. The aluminized will take longer till you ll see rust but it will rust too. It has held up well over the years. June 06 2018 01 00 59 pm here in sunny kalifornia is there any advantage to painting new aluminized exhaust pipes other than the ll look pretty for awhile.

I d go with the aluminized and paint the welded areas as well as the seams bends and it ll look good for quite a while. To or not to paint aluminized exhaust on. Although aluminized steel is the better of the two money wise. Then let the paint dry for 1 2 hours before moving on to the curing process.

Been very happy with this method. If you only take short trips the exhaust never gets hot enough to evaporate all of that moisture. Follow the directions on the high heat spray s label to complete the curing process. A common problem with aluminized steel exhaust is rusting from the inside out.

Moisture collects inside the exhaust when it s cold. It has held up extremely well and has not chipped or flaked for me yet. I use the brush on stainless steel header paint from eastwood. I ordered a new set of chrome tip muffler deletes from remark.

Your exhaust behind the headers will not get as hot as the headers and the paint will hold up quite well. I paint all my aluminized exhaust kits with rustoleum high temp bbq grill paint. It s strange how that noise sounds eerily like a voice in my head ordering me to kill snookie. That moisture causes the inside of the system to rust.

It has a much more dull appearance than stainless steel does. If you thought the engine gets hot you should see the exhaust parts. Oem exhaust systems are typically aluminized steel and are way more common. Then i just touch up any scratches from install.

In my basement you can hear water in the pipes. Using the same technique you used to apply the primer apply 2 3 light coats of high heat spray to the exhaust pipe.