SW headers & exhaust system

[burt ragio]

I will be installing SW headers. Other mod Eaton s/c @ 10lbs. My goal is to keep it as quiet as stock least amount of restriction & no drone. At the same time try to keep Oem muffler note. I will delete one set of cats use some type of mid muffler two in/out or H pipe then mufflers then into Oem mufflers & resonator. What mid muffler or mufflers would be best ?

[justbob]

So you are getting the catted mid pipes as well correct? Because the headers won’t work with the factory cats.

I’d first try it fitted to the stock H-pipe, you might just be surprised how tame it is at idle and cruising.


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[burt ragio]

Yes I plan to use a similar set up like the one I used on my other Marauder. SW had sent me high flow cats. I believe I used o2 extenders & eliminators.

[NickT02LS]

These are a good flowing muffler keeping the noise down with a little tone. When they first came out with these mufflers they were to be a quiet version of their 14" body muffler, they actually wound up making more HP than the smaller ones. I had them on my 85 Turbo T-bird converted to 5.0 with nice lopey cam, sounded great, just remember the length of these cars make them quieter than same set up in say a Mustang, more piping and more bends quiets it down some.

Another option is the Borla Mufflers, quietest of 14" body performance muffler if you want stainless. I have a pair to put on when I do headers cause I am sure the bullet mufflers I currently have will be too loud at that point.

52389

[blazen71]

Magnaflow x pipe muffler. It helped quiet the exhaust and got rid of the rasp from the sw x pipe

[NickT02LS]

Magnaflow x pipe muffler. It helped quiet the exhaust and got rid of the rasp from the sw x pipe

Those x-mufflers are great, never thought to put it on these cars, I had it on my 2002 Lincoln LS, with rear mufflers and without rear mufflers, loved it.