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- Thu Apr 08, 2021 2:49 pm
- Forum: Engine Tech
- Topic: Any downsides to anti reversion mufflers/devices?
- Replies: 148
- Views: 21736
Re: Any downsides to anti reversion mufflers/devices?
In response to the catalytic converter chamber idea, I'm currently building a set of these to go right behind some 1.5" 180 degree headers for a 340 Mopar. I ended up using a couple cheap ebay megaphones, and flipping them around. https://www.ebay.com/itm/2-25-CHROME-REVERSE-CONE-MEGAPHONE-EXHA...