Single chamber flowmaster
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I just installed the flowmaster cat back with the 80 series cross flow muffler. It has a single 3inch inlet and two 3 inch outlets. It is not a single chamber. I am running American Racing headers with their catted Y-Pipe. The car sounds really really good vs the SLP loudmouth I just took off the car. The tone is much deeper and it's not nearly as raspy and there is no drone. The system fit perfectly. All I had to doe was remove the old system, hang the Flowmaster system, make a few minor adjustments and then tighten down all the clamps. I am very happy with this Flowmaster system.
i've never heard one in person, but the clips have sounded good. the only problem is they dont make as much power as other catbacks, but if you have a cutout, it really doesn't matter how restrictive the catback is, sound is all that matters if you ask me.
man the red TA sounds like sex. I highly reccoment you getting the 1 chambers. On my 5.0 cobra i had longtubes, o/r x-pipe, and a custom 1 chamber catback, and it sounded better than pretty much every exhaust i have heard on a mustang, and i had a ton of people agree. And LS1's sound good as **** with 1 chambers too, ive just never heard one with an x pipe







I had 3" O/R H with flowmaster 1 chambers


