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New Cat Back Exhaust Option - all stainless steel.

David Czarnecki

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Very Interested. I just want more sound, the Gren is too quiet. I'd order today if you had it available. Do you have a cold start video with your pipe on? Should sound better than stock on the cold start high idle. Thanks.
I am picking up the first batch of Cat Back systems tomorrow and they are for sale and shipping out. Check out the video from Friday. I can work with you on shipping. Feel free to email me as well. david@design-build-go.com

View: https://youtube.com/shorts/6SxPPSi3V2Q?si=fi7gtz_iexSmirzD


For sale now for the INEOS Grenadier. #ineosgrenadier #grenadier4x4 #grenadier
 

David Czarnecki

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Michael_in_Baja

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David Czarnecki

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pandawest

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This is the final configuration. Has testing at multiple driving modes. The exhaust sounds best at spirited driving conditions and is quiet if moderate driving conditions which is ideal if you have clients or the family cruising around.


View: https://youtu.be/DyX3CQN9X4M?si=DqW0jagC90ZTI7xs
Thanks. I have an engine light on and now a clicking noise in the steering column.... dealer picking up my Gren tomorrow so we will see how these get resolved before I do anything else.
 

WanderingSniper

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Hi there, I'm interested as well but not very technical minded on exhaust. Is this just for a better sound, or are there other real world benefits? Tougher off road, better gas mileage, more power, etc?
 

David Czarnecki

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Thanks. I have an engine light on and now a clicking noise in the steering column.... dealer picking up my Gren tomorrow so we will see how these get resolved before I do anything else.
Man, that must be a real bummer. Clicking in the steering is certainly odd. Did you try hooking up a scanner and seeing what the check engine light is?
Hi there, I'm interested as well but not very technical minded on exhaust. Is this just for a better sound, or are there other real world benefits? Tougher off road, better gas mileage, more power, etc?
There are a few benefits to the system, better sound in spirited driving conditions as well as less restriction which is ideal with a turbo charged engine. So users have reported better fuel mileage and interestingly one guy told me, "it doesn't shake at a stop from the back pressure." There videos on our YouTube Channel that have sound clips and I am even testing tuners at this point with the system. It's quiet during normal operation but under hard acceleration and deacceleration is sounds fantastic.
 

pandawest

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Man, that must be a real bummer. Clicking in the steering is certainly odd. Did you try hooking up a scanner and seeing what the check engine light is?

There are a few benefits to the system, better sound in spirited driving conditions as well as less restriction which is ideal with a turbo charged engine. So users have reported better fuel mileage and interestingly one guy told me, "it doesn't shake at a stop from the back pressure." There videos on our YouTube Channel that have sound clips and I am even testing tuners at this point with the system. It's quiet during normal operation but under hard acceleration and deacceleration is sounds fantastic.
Well its at the dealer now so we will see. Apparently it's a fuel system update which will clear the code and prevent it from happening again. The engine light disabled cruise control and the climate control temp which shows on the screen (when you turn the dial) is intermittent. They don't have the 'big' software update yet which everyone is waiting for but hopefully they can solve this.
 
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Thanks. I have an engine light on and now a clicking noise in the steering column.... dealer picking up my Gren tomorrow so we will see how these get resolved before I do anything else.
not to highjack a thread but I have a small clicking noise/feel at steering column. Not load but definitely there, at first I though something was loose under care but now I think its interior or close. Let me know what they say!
 

pandawest

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not to highjack a thread but I have a small clicking noise/feel at steering column. Not load but definitely there, at first I though something was loose under care but now I think its interior or close. Let me know what they say!
They said parts are on order for the steering column, will take 2 weeks. I've upgraded to the fox steering stabilizer, they said it wasn't that. Then they dropped off my Gren while I wasn't home, engine light solved, cruise back, and it was cleaned. Hope it doesn't get worse while the parts are on the way, I have 1000 km trip this week.
 
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Do you mind letting me know what paperwork says once it’s fixed. I’m driving mine and dealership is 6hrs away. Trying to figure out if I fix it locally or wait for my 1yr visit. Having a baby so I may be shipping it there. Not excited.

Sorry about harassing you but maybe we have the same problem
 

pandawest

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Do you mind letting me know what paperwork says once it’s fixed. I’m driving mine and dealership is 6hrs away. Trying to figure out if I fix it locally or wait for my 1yr visit. Having a baby so I may be shipping it there. Not excited.

Sorry about harassing you but maybe we have the same problem
yeah no problem, will let you know what parts they are replacing. I am still driving mine, it's not getting worse. Mine doesn't click when turning lock to lock standing still, only when driving it.
 

pandawest

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Do you mind letting me know what paperwork says once it’s fixed. I’m driving mine and dealership is 6hrs away. Trying to figure out if I fix it locally or wait for my 1yr visit. Having a baby so I may be shipping it there. Not excited.

Sorry about harassing you but maybe we have the same problem
They told me they ordered the intermediate steering shaft. They narrowed it down to the upper u joint on the steering shaft. I guess the new steering shaft includes the upper u joint. Parts are a few weeks away.
 
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They told me they ordered the intermediate steering shaft. They narrowed it down to the upper u joint on the steering shaft. I guess the new steering shaft includes the upper u joint. Parts are a few weeks away.
thanks again!!
 

Dual Grenny Guy

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Just announcing our Design-Build-Go exclusive Kooks Built Cat Back Exhaust for the Grenadier. Take a look at the video. We are making the production tooling and should be availible mid to late September.
View: https://youtu.be/DyX3CQN9X4M?si=wjPWltnbUc4VuImE
Love this product. An exhaust and a tune for the b58 is the last things I need to do on my first Grenny. I do have a question. I am going for the no chrome look, so is there an option for black chrome/painted version (didn’t see it on your website)? I know I can probably get it powder coated on my end, but will that have any negative effect in its use? Thanks…
 

David Czarnecki

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Love this product. An exhaust and a tune for the b58 is the last things I need to do on my first Grenny. I do have a question. I am going for the no chrome look, so is there an option for black chrome/painted version (didn’t see it on your website)? I know I can probably get it powder coated on my end, but will that have any negative effect in its use? Thanks…
The renterings show stainless tips but in fact all the tips are stainless steel, but coated with a very durable matte black finish powder coat. All actual photos are in the black, that's the only way they are offered. Thank you for the feedback and I am going to make that more clear today on the website. www.design-build-go.com
I have sold the first batch of 10 and am honoring the free shipping for the next 3 as well. Shipping should be within two weeks. I am testing the TDI tuner ($417) and the Agile Tuner ($750). I have some customers that have seen an increase in MPG with the exhaust and tuner as well as additional horsepower when required. Check out the sound of these runs with the TDI tuner. We also have other runs on our youtube channel.
View: https://youtu.be/fR8HQHF_1_Y?si=TSs3f5Kj5sJn6OOe
 
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