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Your cart is empty.This custom designed aluminum heat shield is pre-formed to fit all Flowmaster 40 Series mufflers and attaches easily with included stainless steel muffler straps. Adding a heat shield to your muffler gives added protection in reducing exhaust heat radiated through the mufflers and also helps reduce interior noise. May fit all mufflers with an approximate case thickness of 4.00 to 5.00-inches tall, 11.00-inches wide and 13.00-inches in length.
Michael
Reviewed in the United States on May 20, 2022
Does what it's supposed to do but does rattle during certain RPMS.
Music Cadet
Reviewed in the United States on July 31, 2021
Very lightweight, should dissipate heat well. Also has a clean look. It will be a nice addition to my new Flowmaster muffler to prevent some of the heat coming off from heating up the underside of the pickup bed, which is heating up the camper shell area.I had a new Flowmaster muffler installed, but at that time I didn't know they made a heat shield specifically for it, it's just what I needed to top if off. It's very lightweight and should dissipate heat well. I'm going to lay strips of header pipe wrap on top of the muffler before clamping on the heat shield to even better contain the muffler heat and direct it downward and out the tailpipe.
Bruce Greenwell
Reviewed in the United States on July 22, 2021
Fits perfectly and arrived faster then expected
ghostmechanic
Reviewed in the United States on October 28, 2021
If you actually have a Flowmaster muffler, it fits perfectly. If you don't and you give this bad reviews then you are part of the problems in this world.
Gray Beard
Reviewed in the United States on May 22, 2019
I added two of these over my dual exhaust in my classic Mustang to control heat and noise in the cabin, they worked, less heat and noise, still not cool and quiet like a modern car, but every little bit helps.FYI, I put muffler wrap under the shield and over the muffler to aid in sound and heat control, I believe this improved the heat shields performance considerably.
grd
Reviewed in the United States on December 6, 2019
It arrived quickly and installation was easy.
Richard Cutcher
Reviewed in the United States on April 4, 2019
The product was everything I thought it would be and fit very nicely
Islasian4life
Reviewed in the United States on April 30, 2019
Original muffler had a heat shield on it, so figured I'd put one on the aftermarket. There's a heat shield on the underside of the bed on my truck, but the original muffler hung a little lower than my aftermarket, so this is just for a peace of mind for me Fits perfectly for the muffler specified. Time will tell how long this holds up.
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