I was thinking of getting a full M4 exhaust system to repace my other set up. What i did to the orginal was i cut off the cat and added a performance midpipe and left the honey comb in the stock headers and added a M4 slipon with a powercommander and it's loud as hell. My question is would the M4 full exhaust sound like the exhaust setup i already did? I'm thinking it will but not for sure.
Nobody can answer that w/o having the exact same set up as you. Just as a guess I would say it should be VERY similar, but w/o the exact same setup as you nobody can say for sure. You would also have to ask m4 if the canister for hte slipon is the same as the full and also the bends in the back part.
They'll sound nothing alike. I have the full and it is a much cleaner sound. I've talked to M4 about this and it's because the gp slipon for the r6 is straight through. The ones they make for zuks have packing inside them that gives them a clean sound (even the one for the 08/09 600/750 which leaves the cat in place). The full system is loud but in a nice racebike kind of way not a running straight headers way.
Here is a clip of mine. The camera doesn't really show you how loud it is. To get an idea, when there is about 50 seconds left and you hear me coming back I was about a football field away. I didn't take the rpms that high in this video either (7-8k max).
Last edited by jasonchambers; 02-08-2009 at 03:21 AM.
Thanks guys. I have one more quesrion for ya, I'm going to get a dyno tune and a custom map made for it when the weather breaks with setup i have now But if i decide to change the slip on later with something else would i have to get another dyno tune and map made for it?
yes you should get another dyno tune. If you're gonna be doing like that you would save money buying the bazzaz which lets you tune it yourself rather then paying for two dyno tunes. If you get it custom tuned then alter the intake/exhaust you should remap it. It's not 100% needed depending on how you change things, but the more you change the intake/exhaust the more you'll need to redo the map. How far off the map will be if you change something is the key, but what sucks is the fact that you won't know how far off it is until it's on a dyno or if you have a bazzaz or pcv
yes you should get another dyno tune. If you're gonna be doing like that you would save money buying the bazzaz which lets you tune it yourself rather then paying for two dyno tunes. If you get it custom tuned then alter the intake/exhaust you should remap it. It's not 100% needed depending on how you change things, but the more you change the intake/exhaust the more you'll need to redo the map. How far off the map will be if you change something is the key, but what sucks is the fact that you won't know how far off it is until it's on a dyno or if you have a bazzaz or pcv
I was thinking of changing the M4 to the GTYR slip on for a better sound.
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