I'm new to the site! I feel like I can find the help I'm looking for here.
**Post ended up being long, so if you don't want to read it all- My question is how much will highflow cats affect the sound of my dual Magnaflows w/ custom H-pipe.
So I bought an '06 pony package v6 and wanted duals. Kept hearing Flowmasters are just loud with out any good tone, and has a tendency to drone at certain RPM's. My local exhaust guy, who seemed to be pretty knowledgeable in what sound the mufflers would produce, said the Flowmasters would just sound like a can of bumble bees on my 4.0. He suggested the Magnaflows. He also said if I didn't like them he would switch them out for me, within a reasonable time frame. So I went with the Magnaflows. Immediately loved it when I heard it after installation. Now I think I was just excited in the difference between stock and having something louder. Now it has been about 3 months and I'm starting to not like them. It has kind of a 'waaaaaaa' sound to it. Like a deeper version of a tuner w/ big exhaust, if that even makes since. (hard to describe a sound with words) So my question is, is that just the Magnaflow sound on a 4.0 that I should expect, or is there something else to be done that will help bring that "underpowered" sound up. Has anyone else experienced this with Magnaflows on a non-V8 mustang? I've heard high-flow cats can affect the exhaust sound, but I haven't been able to find specifically the question that I have. I have dual axle back Magnaflows with 2.5 pipe with mid H-pipe just behind the cats. No other performance mods have been done yet. And btw I do enjoy the Magnaflow sound when hammering through 1st and 2nd, its just the normal speed progression that produce the sound I don't enjoy, or trying to hammer through 3rd where the RPM acceleration starts to decline.
Thanks for reading my, probably way too detailed, paragraph. Sorry for grammatical errors, I'm biologist not an English teacher
Thanks for replies as well!