Well, I promised a sound clip and here it is. The sound is amazing. It does sound better in person of course. It is gonna be louder than stock.

www.youtube.com/watch?v=LOk68rr6MoA

 

Any more pictures? I'd like to see it

 

here ya go:







I did not take any before install...oops. Just imagine this muffler in 3 pieces. I do not have the resonator in the pic either...sorry. Will get one soon.

 

sorry guys no pics but i just got back from getting my cattman catback installed damn deep growl a little loud in cabin but hey its worth it maybe next week or so ill get the y-pipe on still work in progress but real soon thanks brian and scott brians man here in socal sub frame connector is going on next week too then im done til new yr for the f-conn install

 

I want Cattman's piping with 07' mufflers...

 

Nice vid. How's the performance??

 

You have the Cattman Y-Pipe also? Any audio clips from in the cabin?

 

Holy crap. Most awesome thing in the entire world.

Joshua

 

It is the CE y pipe. A little loud in the cabin but I will have to get used to it. It is loud as hell outside the car. Still breakin her in. Will try to get one in the cabin soon. Thanks all for the props.

 

Think I may have to get a new resonator then. My wife will kill me if its loud.

 

sounds great ! How much did it set you back?

 

Sounds mean! I like it.

 

very nice... did u feel a difference in power...

 

Sounding DAMN good Coit!! Damn good...

 

Thanks guys. I do feel a difference. Quite a drone at 2.5 RPMs though. Its only been a day with it so dont think the ECU has compensated. All of the noise is in the muffler. Even now could use a bigger resonator.

 

Sort of on topic. I'm going to be installing this exhaust either tomorrow or Saturday. I'm I'm wondering the best way to get the rear end on 2 jack stands. I've got one 2.5 ton craftsman floor jack and 2 x 2 ton craftsman jack stands. Should I just slide the jack under the car and jack it up from the middle rear jack point, then put the 2 stands the sides? Just curious how everyone does this sort of jacking up the entire car...

 

Hilbe, don't worry about the sound until you've heard it. Sound is very subjective, perfect for one person may not be for the next, but with the 22" resonator these have its really not that loud... see for yourself.

As far as drone goes, they're holding a Nobel Prize in reserve for the first engineer that can figure out how to make a performance exhaust that doesn't drone someplace be 2k-3k rpm on cars with automatic transmissions. I remember asking Jim Wolf years ago about why they didn't sell catbacks, and he said it was because he couldn't figure out how make one that didn't drone on an A/T.

Brian

 

Our gen6 catback sounds great "out of the box", but there is a noticeable change during the first 7-10 days as a thin layer of carbon builds up on the interior surfaces of the catback. This layer reduces the acoustical reflectivity of the interior surfaces - sort of like laying carpet and hanging curtains in a bare concrete room. The volume decreases slightly and the tone becomes more mellow.

Brian

 

Much appreciated. I really do notice a performance increase. Will be dynoed soon.

 

If you want to quiet it even further, you can line your trunk area including lid with either carpet padding or dynamat which quiets things down quite a bit.

 

aint complainin the sound is a good sound driving to work this morning and saying out loud "damn"

 

Got mine installed. Took about an hour. It is noticeably louder in the cabin on take-off. I may try the carpet padding trick.

 

Well. I found a cheap solution. The in-cabin noise is VERY loud. Sounds like I don't even have a muffler on. I went to Lowes and bought a product called "Peel and Seal" from the roofing section as a cheap alternative to Dynamat. Its tin backed rubber with adhesive. Simple to install. Just cut, peel off the backing, and apply. Only comes in 6 inch strips of 25 feet. I used 1.5 rolls (at $15 a roll) to do the trunk. I'll test it out tomorrow.

 

I hope this is the case. I installed the sound deadening to help. I might have to get a bigger resonator installed if it doesn't go away. Don't get me wrong, the product is great. I just prefer something a little less noticeable.

 

Well, after driving it today with the Peel and Seal on I have noticed a 1/3 decrease in noise I'd say. I had the seats down to test it out, next test drive this afternoon I'll put the seats up for a final verdict.

 

This is because of the cattman resonator?

I have a pair of 14816 magnaflows and the in cabin noise isn't bad at all (stock resonator though)

 

The Cattman is a 22 inch resonator, compared to the 33 or so inch stock (measured it last night). I am not sure if its just the resonator or other factors. A larger resonator surely will help with noise though...just need to find a larger than 22 inch high flow resonator somewhere to weld on. Suggestions?

 

I don't know man.....if it's that annoying I would have the stock resonator welded back on.

 

Any suggestions on how to silence this thing? Its just way too loud. The wife drove it yesterday and was not happy. I would prefer not putting the old resonator on if possible. I'm starting to think its the mufflers making all the noise...

 

Are exhaust even worth it on our cars, do they make any hp over stock. I thought just the y pipe was the restriction?

 

Here is the old piece I took off. Look at that nasty crimp right after the HUGE resonator. Major restriction there...

 

WOW ok maybe I was wrong that thing is rediculous. So is the y pipe a big restriction also. I'm looking to pick up 20-30 hp and not a lot of nosie, cops in Boston are diffacult to say the least.

 

Man i CANNOT wait to add this in the spring! Who thinks cattman Y and cat back running to a stock muffler would keep it quiet and still feel alot of power?????? would the stock muffler be a big set back????

 

Look at those mufflers. They're not that great either.

I'm going to call Cattman today to see what he has in terms of ideas for solving the noise issue. If I have to spend another $75 to $150 to make her closer to silent, I will....

 

I completly agree with you the nosie issue is a big problem for me also, keep us updated on what catman has to say on the solving the nosie issue.

 

Coupled with our mufflers, the Cattman setup would be the best performance, best sounding exhaust out there, period.
Our mufflers are great are toning down the sound, only leaving a deep and not intrusive note.

 

Yea but that's sending 700 o exhaust and then 200 more hundred on mufflers.??

 

Cattman will most likely be offering their piping only, without mufflers, which should reduce cost drastically.

200 more on mufflers, it would say more around 600 - 750

 

600-750 on muffers? I do not want to spend 1000$ on an exhaust thats gonna give me like 10 whp. Not to be rude but I think thats nuts.

 

Im gonna try the OEm 2007 mufflers as soon as I get them. i will dyno each one and see.