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General Muffler question
My question is about installing a dual inlet and dual outlet mufflers, Flowmaster 50 and 70o series big block in specific. On either side, can you use one of the connections as an inlet and use the other one as an outlet? Basically, I am asking if each side dual inlets (or outlets) have to be both inlet or outlet only? I hope I explained it!
I have on hold for over 30 minutes more than once at Holley's tech phone line!! |
Re: General Muffler question
It depends on the internals of the muffler. If they are just straight through one side to the other, with perforated tube it wont matter. Some have built in X pipes and depending on the X pipe design, might not flow the best if you don't run them dual in on one side and dual out the other side.
This Jegs muffler wouldn't flow the best if you ran it 1 in and 1 out on each side of the muffler. https://www.jegs.com/images/photos/289-17552.jpg Pypes has a straight through design, common on the 70-81 Camaros. Where you can run 1 in and 1 out per side. https://static.summitracing.com/glob...e-sgf70s_w.jpg So, it's really muffler dependent if you can or shouldn't |
Re: General Muffler question
Thanks.
It is kind of disappointing that the Flomaster ones (the 50 or 70 big block ones) don't have any specific descriptions on Holley's website. The customer service sucks too, keeping you on hold for such a long time. Also, I have been searching online to see if I can find any info but no luck. I like these mufflers because they are quieter than others. |
Re: General Muffler question
Quote:
https://images.holley.com/fm-updated...0x85318353.jpg |
Re: General Muffler question
Here's a video that shows the mufflers Cutout.
The mufflers that you have are near the end of the video. |
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