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The RRE stealth, I believe, came with louvered or straight through perforated resonators. The straight through version is the louder one people talk about (Deep low frequency bass), which I have. Added a Varex muffler with fabricated axle back piping and it drones pretty bad depending on situation/weather. Ill put up more info soon.
I'm talking to a local shop to build an exhaust for me, especially with RRE being apparently up to their necks in building these exhausts.
Curious - where do you guys source the exhaust hangers - the actual pole part that is welded on to the exhaust? There's 2 under the car and one long one that attaches to inner wheel well on the passenger's rear?
basically the plan right now is the run a vibrant ultraquiet resonator, then a long bottle resonator, then the magnaflow 12259 (which is what RRE) uses. this should basically be similar to RRE's exhaust, and hopefully quieter than my dual muffler & no resonator setup now
Exhaust hanger material is just 1/2" rod bent to fit. Your exhaust shop should be able to handle that..
got it - ok. wasn't sure if it was something special. should be good to go here, hoping for the best with this new setup. if not absolutely quieter, it will be close and drone will be killed compared to my current setup.
got it - ok. wasn't sure if it was something special. should be good to go here, hoping for the best with this new setup. if not absolutely quieter, it will be close and drone will be killed compared to my current setup.
As noted earlier RRE is not as quiet as people think. Depending on how quiet your current setup is, RRE might actually be louder.
Someone a while back brought an interesting point that perhaps an oval muffler with offset might be quieter than center in center out.
Example offset:
Example Center In Center out:
So the theory is, the offset perforated tube interferes slightly with the exhaust sound wave path to possibly be more affective at suppressing sound. Imagine the sound wave/pulses flowing straight and hitting the offset/angle of the perforated tube. It might slightly cause a reflection effect to cancel noise, allow different frequency waves to get muffled etc.... As apposed to just a center in/out which relies solely on expanding sound waves hitting and slightly passing through the perforated tube to get muffled etc...
Having said that , you might have other factors playing a role as well such as sound suppressing material type, density, overall size of the muffler etc...
As noted earlier RRE is not as quiet as people think. Depending on what you have RRE might actually be louder.
Someone a while back brought an interesting point that perhaps an oval muffler with offset might be quieter than center in center out.
Example offset:
Example Center In Center out:
So the theory is, the offset perforated tube interferes slightly with the exhaust sound wave path to possibly be more affective at suppressing sound. Imagine the sound wave/pulses flowing straight and hitting the offset/angle of the perforated tube. It might slightly cause a reflection effect to cancel noise, allow different frequency waves to get muffled etc.... As apposed to just a center in/out which relies solely on expanding sound waves hitting and slightly passing through the perforated tube to get muffled etc...
Having said that , you might have other factors playing a role as well such as sound suppressing material type, density, overall size of the muffler etc...
my current set up is a tanabe dp to 200cell cat to 3" pipe (buschur) to magnaflow 14419 (3" straight thorugh, 4"x14" long cylinder muffler) to finally a magnaflow 12219 (3" straight 5x8x14 oval, center/center).
After seeing some vids, I'm thinking instead of dual resonator, maybe I should do the ultra quiet resonator right after the cat (earlier the better apparently for drone), then do the 14419 muffler that I have, before finally using the 12259 (3" straight 5x8x18 oval, offset/center). As stated, the 12259 is what RRE uses. Offsets also are a slightly longer path as well. Much longer than my current setup on top of that.
Anyway according to the vids, the sooner up a resonator is, the better, and a second resonator won't do anything. Maybe then it's better to run the dual magnaflows, so vibrant ultraquiet resonator, 14419, 12259.
Basically, adding the ultraquiet resonator + a muffler that is offset & 4" longer than what I have. Should be a little quieter at least. Biggest downside? Prob heavier than stock lol
lolol i'm going for it - 5x11 is enormous lmao but i think based on my pics of my exhaust it will fit, especially in offset mode. i bet it's heavy as **** though
based on the info from this thread, on p3 there was a guy who fit an even bigger magnaflow under the car - but based on the pics that still work, i should easily be able to fit the bigger 5x11x22 magnaflow (14589) under the car. Then I'll have the dual resonator setup, I think that will be fine vs the dual muffler
based on the info from this thread, on p3 there was a guy who fit an even bigger magnaflow under the car - but based on the pics that still work, i should easily be able to fit the bigger 5x11x22 magnaflow (14589) under the car. Then I'll have the dual resonator setup, I think that will be fine vs the dual muffler
I went with the 12578 offset/offset & couldnt be happier with the sound. I was rushing doing the work & wished I had the muffler sit up higher. to lazy to re-do. iwill add a few pics in a minute
I went with the 12578 offset/offset & couldnt be happier with the sound. I was rushing doing the work & wished I had the muffler sit up higher. to lazy to re-do. iwill add a few pics in a minute
do you have pictures of the fitment? my shop is saying the 14589 won't fit, which is the same length
new plan. I'm going to use the vibrant ultraquiet, the bottle style resonator i have after that, the round muffler that's currently in place, and swap the back with the 12259 (5x8x18)
I'm talking to a local shop to build an exhaust for me, especially with RRE being apparently up to their necks in building these exhausts.
Curious - where do you guys source the exhaust hangers - the actual pole part that is welded on to the exhaust? There's 2 under the car and one long one that attaches to inner wheel well on the passenger's rear?
basically the plan right now is the run a vibrant ultraquiet resonator, then a long bottle resonator, then the magnaflow 12259 (which is what RRE) uses. this should basically be similar to RRE's exhaust, and hopefully quieter than my dual muffler & no resonator setup now
You can just use 1/2 rod as LGTD stated, but Vibrant does make actual exhaust hangers that have the nipples on the end to keep the hanger from sliding off. Pretty pricey though:
