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  1. Active Autowerke | MKV Supra EPA Approved Catted Downpipe

    Unfortunately I don't have that detailed information, as it will vary from vehicle to vehicle, especially if yours is tuned. But if your tests are comparable to the US tests you will be fine.

  2. Active Autowerke | MKV Supra EPA Approved Catted Downpipe

    You shouldn't have any issues with our DP, but please do keep me updated!

  3. Active Autowerke | MKV Supra EPA Approved Catted Downpipe

    No need to play dumb, I would be willing to have a conversation but I don't believe that you are here to provide any real input. Please move on, I noticed you joined the forum just to post in this thread. I cannot keep reiterating the same exact thing over and over. You keep changing your angle...

  4. Active Autowerke | MKV Supra EPA Approved Catted Downpipe

    Like I said, agree to disagree. The Memorandum I posted above specifies that the EPA approved converters can be used to replace catalytic converters. It does NOT specify a cell count or quantity of converters, so long as emissions are not adversely affected. I'm also familiar with that Clean Air...

  5. Active Autowerke | MKV Supra EPA Approved Catted Downpipe

    As stated in my previous reply, I'm not familiar with any bolt on products that have their own EPA approval as the EPA only approves components and not entire assemblies. You're also making the assumption that the emissions from our downpipe are equal only to the primary cat of the OEM downpipe...

  6. Active Autowerke | MKV Supra EPA Approved Catted Downpipe

    The memorandum does not specify a specific rating system such as a cell count or a requirement for X amount of converters. It states that aftermarket parts can be used to replace emissions systems as long as the emissions are not adversely affected. Whether or not this will be taken in to...

  7. Active Autowerke | MKV Supra EPA Approved Catted Downpipe

    Our downpipe will show readiness during inspection. The catalytic converter we are using has been approved by the EPA as a replacement for OEM converters. The Mobile Source Enforcement Memorandum 1A that I've linked below allows for aftermarket parts to be used in the repair or replacement of...

  8. Active Autowerke | MKV Supra EPA Approved Catted Downpipe

    If anyone is local to us here in Miami and is interested in one we can work a deal in exchange for some video content. Our car is currently torn down for other development work so it may be a couple weeks before we can get a video of this downpipe with a stock exhaust.

  9. Active Autowerke | MKV Supra EPA Approved Catted Downpipe

    Active Autowerke is proud to introduce our B58 catted downpipe available for the MKV Supra. We are utilizing a GESI catalytic converter that is 49-state legal and will pass emissions testing. Our downpipe begins at 4.5" until it tapers down to a 3.5" flex section, and then it tapers back down...

  10. Active Autowerke | MKV Supra Development Thread

    Hi all! I've created this thread to document the build on our 2020 MKV Supra. We are an established BMW tuner/manufacturer and have been modifying them since the 1980s. We have extensive experience with building and tuning turbocharged engines and also possess in-house manufacturing...

  11. Active Autowerke Exhaust For A90 Supra

    Thanks! The clearance is fine with the 3.5", it's a touch lower than stock up by the transmission, but at every other point it's not the lowest part of hte vehicle. I'm aiming to price it around the $2k mark. They will all be hand made here in Miami using TIG welded 304 stainless, mandrel...

  12. Active Autowerke Exhaust For A90 Supra

    We've had our exhaust system completed and installed on the car for about a week now. It retains the stock valve motor so that comfort and sport modes have different exhaust notes. We used a true 3.5" diameter pipe from the downpipe back to the Y.


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