Downpipes with Hi-Flow Cats for the FF?

Ok ordered the Kline 200 cell cat.... can’t wait!


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Smog it first just in case.


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Yes that part has passed .....will it not pass with 200 cell cat (in CA?)


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Likely not because of a computer not clearing, u have to drive a lot for that computer to no longer throw an error (not cel). It’s a computer specific to smog inside the car.


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Got it... so clearing the codes for driving.
Figure after a few hundred miles it should hopefully clear.


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It’s what happened to me, I had to smog it and it took forever . Had I known I’d have smogged her first


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What does 'smog' mean?
Just for interest I have a 200 cell kline sports cat, kline xpipe, novitec back box with remote valves.

 

200 cell sports cat soon to be replaced by decat..

 

Emissions testing, are you USA or California?

 

UK - we have MOT tests that check this

 

I have a similar set go with Novitec X pipe … are you going to decat for increased sound ?


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yeah i just want the best sound possible to release the v12.
what exact cat/xpipe/backbox have you got?
any vids?

 

why do your want to go catless? Did you end up doing this? Is the sound much different, 200 cell cats are not restrictive and curious of the difference in sound.

 

just to not have anything stop the sound.
from 200 cel to 0 is a big jump

 

I have a stage 3 Novitec car with race/catless downpipes. It sounds amazing, but on startup and idle it definitely smells. Did you switch them out on your car. I can make some videos for you if you want.

 

IPE 200 cell cats, Novitec X pipe, Novitec exhaust


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On my Speciale I have full system IPE headers, decat and exhaust. Definitely smell gas if behind the car… but it sounds epic!




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https://youtube.com/shorts/gUwy9xVKFW0?feature=share


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Intake noise is super cool. Thanks for sharing.

 

I think decat is a huge step. In my opinion it makes the car too noisy and difficult to live with (in addition of the smell). This has to be considered for a car that is supposed to be a GT, and not a car and coffee piece only.

 

not sure what a stage 3 exactly but my car now has decat kline downpipe, kline xpipe and novitec backbox. the sound is truly unreal, the best thing ive ever heard. suprisingly i dont get any smells!
yeah would love to hear some vids please

 

That's interesting and great about not getting any smell. I gasses me out pretty good if I have windows down on startup or stand behind the car. Once driving there is not much of a smell if anything. Windows up there no smells. Here is my set up detailed below:

• Consisting of an new adjusted engine electronic with modified group of curves and a higher cut-off speed to 8.200 rpm (thereby a higher V-max)
• Stainless-steel exhaust system without flap-regulation
• Including NOVITEC tailpipes
• Race Pipes
• Exhaust replacement pipe x-Pipe System
• Weight-reduction: 16 kg
• Performance: 516 kW (702 hp) at 8.200 rpm
• Max Torque: 714 Nm / 6.200 rpm
• Vmax: + 5 km/h

 

I recently (1 week ago) mounted a pair of 200 cells catpipes + Xpipe on my F12. (Kline)
The sound level raised dramaticaly from the cabin, for now I didn't heard it yet from the outside above idle, I will let drive it a close friend to know.
From my short experience catless pipes would be too loud, I have to say I'm already worry to meet the police!
The 200 cells smell a little at cold engine and no more once warm.
Of course the sound is amazing especially above 4-5000 rpm! A true F1 sound, the downshifts are incredible!

 

I have 200 cell cats, X pipe and stock exhaust on my TDF… trumpets of glory!


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I have one on Instagram. If you message me I can share it. Would be curious to hear your car too. I personally think my car is a little too loud, but thankfully have valves.