Hey buds! Heres the dealyo: I love how my car is sleeper right now and itd be freakin awesome if I could have it like that forever. The thing that makes it quiet is the stock muffler but I still want to get as much performance out of my exhaust as possible. What I was thinking was, will there be any gains if I were to remove the stock resonator and replace the original cat with a high flow one? I plan on getting an s-pipe too so Im thinking I'll get a little more power out of doing those things. Now what is it on an aftermarket replacement that makes it gain more power besides being a little bit bigger pipe? Are aftermarket systems usually smoother inside or is it all pretty much the same type of pipe? Thanks in advance for any answers you might have to my questions. I know this way would be cheaper and I would get my wish of being stock looking and sounding but if its not really gonna give me much gains then I'll just get the Draxas setup and throw a resonator or two on it to quiet it down some.

 

Stock exhaust also has two resonators on the mid pipe and that's another reason why it is so quiet I think.

 

what size of resonator woould be the best to use to quiet an exhaust

 

THe biggest one you can get. Perforated cone like magnaflow is best. i replaced the stock resonator with a 24in one with a magnaflow and the header isnt raspy anymore

 

are there down sides to a resonator that big?

 

its heavy. Thats all that i can think of.

 

I agree with you on getting the Draxas exhaust system

to answer your questions. Removing the resinators wont yeild you much HP, if any at all. About the only thing it will do is reduce weight. Adding a Hi-Flow cat (draxas system has that) however, will increase your HP because you are freeing up flow. The stock muffler is VERY restrictive... and i know you want a sleeper.... but i think it would be very hard to get around having a real quiet car with a good flowing exhaust

I should have my draxas spipe and back exuast (no headers as of yet) sometime this week or the next, and will install it asap and will have pictures, sound clips, videos, etc.

 

Thank you Break Away, that would be most appreciated!

 

not a problem at all, im waiting to hear back from draxas on when they are going to ship it (hopefully today), and what method they are shipping... since they are in cali, and im in MD... west to east coast... =\

I will be installing the draxas exhaust on a lift hopefully (since my buddy owns a shop) so i will be able to get good pitures of the overall piping. Ill keep you guys updated, as well as making a new thread on the exhaust.

 

Im most interested in the design of that s-pipe so itd be cool if you could get some good pics of that. Thanks!

 

I will do my best! There will be multiple pictures of the product before and after install, pictures compared to the stock system, as well as pictures of the pieces individually

 

does anybody know how big the stock resonator is?

 

The stock exhaust on a TC has only one resonator not two. However the TC has 2 cats.

 

Oh. I see.

 

1 cat being in the exhaust manifold

 

Do you have apart number on that big resonator you put in to get rid of the rasp from the header?

 

Question: For the s-pipe does an anti-fouler or new O2 have to be put on or do you just unbolt replace gasket and rebolt....done I'm a little new with this whole s-pipe thing!!!

 

as long as you dont have an aftermarket header installed, all you need to do is install the draxas spipe and back exhaust as is.

once you get an aftermarket header, you will need to ann an antifouler to the spipe.

update: my draxas exhaust is shipping today with-out the spipe (the spipe is on back order), pics and sound clips soon to come!

 

nice

 

Update on the draxas Exhaust @ https://www.scionlife.com/forums/vie...092579#1092579