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  1. shiftdown

    EV Thoughts Thread: cause the old farts did their usual thing

    There's ALWAYS going to be a faster car. The trick is to find one you love regardless.
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    EV Thoughts Thread: cause the old farts did their usual thing

    I seems to get compliments or thumbs up pretty much every time I drive it. Seems to be well received!
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    CT4-V Blackwing Products Coming Soon from Tapout Tuning!

    Something on the freeway he couldn't see. damaged the carbon and shredded his LF tire.
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    CT4-V Blackwing Products Coming Soon from Tapout Tuning!

    A friend of mine had his front lip damaged on the freeway the other day. if he gets a new one i'm going to try and mount the lip on my car. Will report back how it works out.
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    CT4-V Blackwing Products Coming Soon from Tapout Tuning!

    People think the non-CF spats are permanently attached. They're not. And if you look under the non-CF bumper you can see all the hole locations for a full lip. I would be shocked if it didn't bolt up.
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    Tapout catless downpipes - video

    Since the cats are EPA cert'ed 300 cell, very unlikely to throw a code. And you get around 80-90% of the same sound as the catless.
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    Tapout catless downpipes - video

    It's for the downpipes. I'm going to let the ecu see the code for a while and see if it learns and shuts it off. Nissan ECU's will throw codes with straight up cat deletes and then after a few hundred miles shut off when they readjust. with the mini cats on the BW it might do the same thing.
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    CT4-V Blackwing Products Coming Soon from Tapout Tuning!

    To fit it on the non-CF front bumper you need to remove the 2 bumper spats on either side. Then it bolts into factory holes.
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    Tapout catless downpipes - video

    Well my CEL did come on when I went back onto the dyno. So here's the thing: the stock ecu looks for a tq target, and once it hits that tq target value, it starts pulling back boost pressure. I learned this after talking to Christopher Berube, GM performance division lead program engineering...
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    Tapout catless downpipes - video

    Running drive-by sound testing
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    Tapout catless downpipes - video

    Around 200 miles and approximately a dozen cycles.
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    Tapout catless downpipes - video

    https://www.fabspeed.com/fabspeed-universal-90-degree-o2-spacers-with-catalytic-converters-pair/ I can't say my experience isn't anecdotal, but these seem about the best versions of this type of product.
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    Tapout catless downpipes - video

    Once I dyno again I'll tell you how the factory software is dealing with it. The blackwing computer has a tq target and after it meets it, it starts dialing back the boost pressure. So I think what's going to happen is a wider and flatter torque curve with earlier hp but similar peaks.
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    Tapout catless downpipes - video

    It's from TO haha https://www.tapouttuning.com/product/gigs-performance-ported-throttle-body/
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    Tapout catless downpipes - video

    No lights yet. And now it has the Tapout Fuel cam and Gigs throttle body installed.
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    What did you do to your Blackwing today?

    tapout fuel cam and gigs throttle body installed last weekend. Running a 500mi break in on the cam now then a AMSOIL change.
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    Tapout catless downpipes - video

    With the vales open, it cracks hard between gears. If only I had an exhaust mic haha
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    Tapout catless downpipes - video

    @strohw The spacers are on there right now. These are pretty fancy versions though. No check lights yet.
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