Buschur's 3" cat back exhaust prototype for 2.0 Maverick all done!

jpage8645

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A downpipe is typically a great increase in power but only if there is no restriction after it. Most modern exhaust flow really well. The change of the catback on this truck proved it was restrictive as it instantly shut the throttle down. Eliminating the second cat did that even further. The "downpipe" on this truck is a very short 90 degree bend with the primary cat in it and two 02 sensors, one before and one after. The aftermarket world is under a magnifying glass and emissions right now. Removing the cat on any car that came equipped with one is illegal in all 50 states. So a downpipe on this truck requires removing the factory cat.

The tune, we have been on the dyno every day for two weeks. I want the tune perfect and won't release it until it is. Right now the tune is being done for 93 and we've ran into some additional issues, the truck is actually warming up as I type this for more work today on the dyno. As soon as the 93 is done we will move onto 87 octane and a tow tune. The tune will take care of ALL of this without swapping maps. You'll simply load the tune in and drive the truck, whichever gas you are running the tune will self adjust for just like factory.
Remember they don't sell 93 oct on the west coast, so we need a 91 specific tune.
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Buschur

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Remember they don't sell 93 oct on the west coast, so we need a 91 specific tune.
Yes, I'm aware, we have all the grades here, well not 85. 87-94.
 

GaMaverick

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A downpipe is typically a great increase in power but only if there is no restriction after it. Most modern exhaust flow really well. The change of the catback on this truck proved it was restrictive as it instantly shut the throttle down. Eliminating the second cat did that even further. The "downpipe" on this truck is a very short 90 degree bend with the primary cat in it and two 02 sensors, one before and one after. The aftermarket world is under a magnifying glass and emissions right now. Removing the cat on any car that came equipped with one is illegal in all 50 states. So a downpipe on this truck requires removing the factory cat.

The tune, we have been on the dyno every day for two weeks. I want the tune perfect and won't release it until it is. Right now the tune is being done for 93 and we've ran into some additional issues, the truck is actually warming up as I type this for more work today on the dyno. As soon as the 93 is done we will move onto 87 octane and a tow tune. The tune will take care of ALL of this without swapping maps. You'll simply load the tune in and drive the truck, whichever gas you are running the tune will self adjust for just like factory.
For off-road use only or have the EPA rules changed on labeling parts for use off-road ?

So glad your working on a 87 tow tune, that was going to be one I requested along with a 87 performance and 93 performance.. But if the tune works the way you say I would only need a tow tune and performance tune then Just use which ever gas I want for the tune loaded In my Maverick.


Are you doing any transmission tuning?
 

GaMaverick

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Remember they don't sell 93 oct on the west coast, so we need a 91 specific tune.
Some. companies don’t even sell tunes to California because of CARB certification.
 
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Buschur

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For off-road use only or have the EPA rules changed on labeling parts for use off-road ?

So glad your working on a 87 tow tune, that was going to be one I requested along with a 87 performance and 93 performance.. But if the tune works the way you say I would only need a tow tune and performance tune then Just use which ever gas I want for the tune loaded In my Maverick.


Are you doing any transmission tuning?
Our tune will self adjust like the factory tune does, you'll choose tow/haul for towing to activate that tune.

Yes, we are working on the trans too.
 
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Buschur

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Can you provide an estimate of cost? Just an estimate..
Our 3", 100% 304 stainless exhaust with a single muffler should be no more than $600 if I had to guess.
 

yohannblouin1978

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i've already called a jb4 already, a cold air intake, and i'm looking for a FULL turboback system. WMI already on the way to get it as far as i can go! Ready lift for the winter here in Canada, and a full coilover for the summer!
 
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Buschur

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i've already called a jb4 already, a cold air intake, and i'm looking for a FULL turboback system. WMI already on the way to get it as far as i can go! Ready lift for the winter here in Canada, and a full coilover for the summer!
We are waiting, still, for the bender to send the first sample back from our prototype. This system will have the ability to delete the 2nd cat. The downpipes will come later and in order to do a full turbo back like that you will need a tuner that is willing to delete the check engine lights its going to trigger. The downpipes house the primary cat with two 02 sensors.
 

borrego4026

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Any plans on having something that can be routed through the bumper with a heat shield as illustrated by this picture?

Screen Shot 2022-01-07 at 3.46.53 PM.png
 

MaverickAngler

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Any plans on having something that can be routed through the bumper with a heat shield as illustrated by this picture?

Screen Shot 2022-01-07 at 3.46.53 PM.png
I can’t imagine that would sell well enough to produce them other then custom order. Looks awesome though
 
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