Exhaust is a bit hard to do comparisons on unless you have several identical (or at least similar) Mazdaspeed 6's together and all have different CBE. Essentially everyone is going to feel that what they picked is the best for two reasons: A) they picked it; B) it's better than the factory exhaust.
It's going to be hard to honor any testimonial unless that person has had many different cat-back systems on their car while they were at a dyno/tuning session and have the data to back it up.
I'm not trying to kill your thread though. So please don't think that. I just wanted to throw that out there.
Contribution to the thread: I picked the Corksport CBE (though I have not received it yet) because I intend on using their downpipe and resonator pipe to go turbo-back. The reason I am choosing Corksport from the turbo-back is because of the design of the downpipe. It is a divorced (two pipe) piece that allows the wastegate to exhaust into one tube while allowing the turbo to exhaust into a separate, bigger tube. Other downpipe designs are not divorced because of the use of catalytic converters. Corksport's is unavailable with a catalytic converter.
Corksport CBE is a good choice, just put one on my speed 3. Here's a clip with a speed 6... http://www.youtube.com/watch?v=XzUMF4d_E38 personally I think this is one of the nicest sounding exhausts out there...
That's not quite true. Going from the stock, chambered muffler to a straight-through reduces a boatload of backpressure on the exhaust system. You should see higher-rpm performance gains from this. It may not be a big number, but you should see/feel that the engine is a little easier to string into the high-revs.
That's not quite true. Going from the stock, chambered muffler to a straight-through reduces a boatload of backpressure on the exhaust system. You should see higher-rpm performance gains from this. It may not be a big number, but you should see/feel that the engine is a little easier to string into the high-revs.
The muffler on the MS3 is not chambered. It is a straight through design. I don't know how the MS6 muffler may be designed. On MS3's we do not see power gains from changing the CBE until other mods get the power well north of 300 whp. The restriction is upstream -- the DP and the two low-flow cats before you get to the CBE. You are in the MS3 section. This might not be the best place to suggest to us what we might or might not know about our different exhaust system. lol.
However, since the OP also has an MS6, perhaps the better info might be available in the MS6 part of the forum?
The muffler on the MS3 is not chambered. It is a straight through design. I don't know how the MS6 muffler may be designed. On MS3's we do not see power gains from changing the CBE until other mods get the power well north of 300 whp. The restriction is upstream -- the DP and the two low-flow cats before you get to the CBE. You are in the MS3 section. This might not be the best place to suggest to us what we might or might not know about our different exhaust system. lol.
However, since the OP also has an MS6, perhaps the better info might be available in the MS6 part of the forum?
In no way was I trying to suggest anything related to the MS3. The OP asked about the MS6 specifically and never mentioned the MS3. My answer was for the MS6 and not the MS3. It's not that hard to read the original post. I suggest you try doing that before attempting to be a smartass to someone offering insight.
and his point was your in the MS3 drivetrain section, not the ms6 exhaust section, hes giving insight of how the ms3 is designed because guess what, he has an MS3, and hes in the ms3 section
mods should just clean this up and move it, Please
and his point was your in the MS3 drivetrain section, not the ms6 exhaust section, hes giving insight of how the ms3 is designed because guess what, he has an MS3, and hes in the ms3 section
mods should just clean this up and move it, Please
+1. How can one get meaningful and useful feedback from MS3 owners when our exhausts are much different than that of the MS6?
OP was asking MS3 owners what exhaust mod would work for the MS6 -- big disconnect. Suggesting that the question might be better addressed in another part of the forum dedicated to the MS6 was polite and intended to be helpful in assisting the OP to get the information from a larger group of people who actually share the same exhaust.
