new cat + Vband clamps + resonator = $300
So my cat is a bit cloggy:
https://www.miataturbo.net/forum/showthread.php?t=26736 I talked to the guy who built my custom exhaust 8 years ago, and asked a quote for: - cut out old cat which is welded in - new Carsound metal cat - add Vband flanges to new cat - add flanges to car - install above Vbanded cat and in addition: - new 12" Maremont resonator - add flanges to resonator This way I have a removable cat, and I can swap in a 12" resonator for track days (I want it quiet on the drive to and from the track LOL) Vbands will make swapping easier. Cat is $110 .. resonator+ all vbands + labor = $190. Thoughts? BTW I have zero welding skills.... (M@! When you gonna move back to the bay area??!! ) |
C'mon, you cheap bastards have an opinion, I'm sure!
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I'm doing the same thing in the spring :)
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I'd weld in a resonator all the time, and swap the cat for a piece of pipe. Better IMO.
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muffler shop can do that super cheap... dont you already have one you like?
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The shop is the one I like.
I already have a resonator in all the time. I want a second one for when I take the cat out. |
IMO that's a deal. Would you rather spend the day building the exhaust or driving your car? ;) And you're getting done by a trusted fabricator. This will make it easier to test power and spool with various components installed/uninstalled too. :D
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Why v-bands for a cat? Just do slip joints.
Frank |
Slip joints and U-bolts?
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slip joints and band clamps.
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He's trying to boost his Y8s approval factor. :giggle:
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I approve of a v-band swap-in setup for that price.
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Turns out he didn't understand v-band. He quoted for regular flanges.
Vband clamps are pricier. Looks like his price will drop $50 (to $250) if one side will be a slip joint + U clamp. You can't have both sides = slip joint because it will be physicall impossible to insert the cat wihtout moving the rear section of the entire exhaust back by >3 inches. I need to look under the car now and think about how it'll look. espeically with the butterfly. Can I have a pic of y8s slipjoint + band clamp? |
I added a resonator to my setup.
Had two u-clamps on each end, slip joint on both sides. Eventually I swapped one of the clamps out for a band clamp, but it started raining while i was working and never finished the front one. fast forward a few months....hit a manhole cover that was sticking up too far due to the pavement being scraped out for repaving...I dodged a few but didn't see this one. Ripped the u-clamp off and bent my 90* pipe into the muffler. When I pulled the exhaust down to fix, I removed the band clamp. I had used this permatex exhaust wrap/gasket stuff under the clamp. It held strong through the impact. In fact it was almost like I epoxied the two pipes together (reading the description on the link, looks like it's supposed to do that. We ended up bending the 90* back with a ton pressure on that joint (stuck the far end under a car and pushed down on it). The seal never broke, instead of grinding and welded this seam as I did for the other side, I put the band clamp back. |
Originally Posted by JasonC SBB
(Post 317317)
Can I have a pic of y8s slipjoint + band clamp?
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How much were your V band clamps? they're pricey at ATP.
Are these the band clamps you guys talk about? They seem to need to be the exact correct size for your pipes. http://www.jegs.com/images/photos/500/555/555-30732.jpg |
$7 each off a seller on ebay.
might as well get the flanges welded. As cool as v-bands are I don't see the need for them. Typical 2-bolt flanges don't bother me. You shouldn't take advice from me. I currently own a beat up $780 catback. |
So muffler guy looked at my exhaust.
He says I can use either a skinny glasspack resonator with louvers inside, or some Ansa non-louvered resonator that's thicker in the middle. A Magnaflow or Dynomax won't fit. He says the louvered glasspack will be quieter, but I have my doubts given how skinny it is. Has anyone tried Ansa resonators? |
Loured will be quitter than perforated. Longer the core the better.
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i thought you were removing the cat to improve flow. louvered is not the best solution when there's tasty perf cores out there.
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