Does this downpipe fit a stock 2006 MS6? Since the stock diameter is not 3'. If no, what other mods I need to put this downpipe on? And what is the difference between the short one and the long one? Thank you so much.
You can run this on a stock MS6. I would also upgrade your HPFP while doing this upgrade.
your race pipe says its not for the street and only for track so why say we can by the catted down pipe with the race pipe ? what would be the point in having the catted down pipe if the race pipe is illegal
James, if you buy our downpipe that includes the high flow cat, then you will not need a seperate racepipe. The long downpipe bolts right up to the catback.
This downpipe has no cat between the two 02 sensors, but in a previous question you said it would pass a plug in check, how does that work, since that cat is the monitored one?
As long as you get the high flow catted downpipe, you should be fine.
I have a SU test pipe installed with a custom CBE, will the CS shorty downpipe fit my current setup? Also, can you confirm there is no CEL's associated with the install of this downpipe? Thanks for your time (and products!).
The CS short downpipe should work just fine. If you don't have a catalyst in your exhaust system, there will always be a chance that it throws a CEL.
Will this pass California SMOG Inspection? Is there a C.A.R.B. exempt sticker included?
California is a tricky one. As long as you buy the down pipe that includes the high flow cat you should be able to pass emissions. The only performance part we carry that is CARB legal would be the Stage II Power Series Intake for the Mazdaspeed's. I can't make any promises on your car passing emissions with the long high flow down pipe, but you should be ok.
The stock exhaust system has two cats, right? When installing your High Flow Cat Downpipe with Racepipe, do you end up with one or two cats? Liking performance and trying to be a friend to the environment, I'm looking for a low-pollution performance solution, presumably with two high-flow cats or one really good one. Are you selling what I'm seeking?
The stock exhaust system does have two cats. However, the rear cat is unmonitored. Your best option would be to purchase the long high flow catted downpipe that includes the race pipe section. You should be just fine running one high flow cat on the downpipe.
Will i still be able to pass the emissions test in ontario, canada with the catted downpipe?
It will pass a plug in check but not a tail pipe check.
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