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Old 06-07-2018, 01:28 PM
  #26  
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I love this thread......mine is booked in for service early July and then round the corner for exhaust mod
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Old 06-07-2018, 02:46 PM
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If it is secondary cat, would the car still meet all the ARB requirements (specifically in California)? Also, do you smell more fuel while running without these?

I am very interested in getting this done since you guys (contrary to the shop I went to) have mentioned its an octave lower.
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Old 06-07-2018, 03:35 PM
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Is there any chance one of the guys who has had the mod done or know of a sound clip could post please?

I am ready to burst with the excitement

No problem if you cant, just worth an ask
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Old 06-07-2018, 04:32 PM
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If it is secondary cat, would the car still meet all the ARB requirements (specifically in California)?

I don't think so, why would MB put them on in the first place?
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Old 06-07-2018, 04:55 PM
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My shop actually said there were not technically considered cats when he saw what was inside. Don't quote me on this as it looks to me like cat lol
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Old 06-08-2018, 12:46 AM
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I would love a soundclip too. Also, how much should this cost?

Thanks
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Old 06-08-2018, 02:16 AM
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Originally Posted by ImGoinPlaces
I would love a soundclip too. Also, how much should this cost?

Thanks
Hi, I had a quote last week of 200 GBP and they would need the car for one day.

Have a great weekend everyone
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Old 06-08-2018, 11:25 AM
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Thank you, as I suspected previous members falsely claimed they were resonators and not cats but I had a sneaking suspicion they were cars (hence sebring).

so you should pick up more power and sound from the second cats removal. Seems like a cost effective was of getting more flow & sound without getting downpipes. Keeping primary cats actually makes the car sound better IMO. Full cat less downpipes don't actually sound that good and cost a fortune and are a pain to install. This seems like a much better route with the X-pipe in addition

Now do X-pipe in place of the two H-pipes and it will be perfect
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Old 06-08-2018, 11:48 AM
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To me it’s perfect now.

Plus, I’ve said this before, When I removed mine originally they were on the garage floor for 45 minutes and I went to pick them up and put them in a box so I could leave and I burned my hands. I couldn’t believe the amount of heat that was still in those cans almost an hour later
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Old 06-08-2018, 01:05 PM
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Originally Posted by AMG 17GT
To me it’s perfect now.

Plus, I’ve said this before, When I removed mine originally they were on the garage floor for 45 minutes and I went to pick them up and put them in a box so I could leave and I burned my hands. I couldn’t believe the amount of heat that was still in those cans almost an hour later

Catalytic converters run extremely hot! lol

I would be interested to know if an owner in a state like CA has had any issues passing emissions testing with the secondary cats removed, along with whether it creates a ‘black flag’ condition at certain road courses that are OCD re: noise levels.

Bish
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Old 06-08-2018, 01:55 PM
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Originally Posted by thebishman



Catalytic converters run extremely hot! lol

I would be interested to know if an owner in a state like CA has had any issues passing emissions testing with the secondary cats removed, along with whether it creates a ‘black flag’ condition at certain road courses that are OCD re: noise levels.

Bish
Newer cars don't go through the sniffer test. The smog tech does a visual inspection to make sure all smog components are not altered and then the ECU gets scanned for error codes. If all is clear, it will pass.
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Old 06-08-2018, 02:07 PM
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Originally Posted by thebishman



Catalytic converters run extremely hot! lol

I would be interested to know if an owner in a state like CA has had any issues passing emissions testing with the secondary cats removed, along with whether it creates a ‘black flag’ condition at certain road courses that are OCD re: noise levels.

Bish
Would be interested to know if you even have secondaries. I bet not.
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Old 06-08-2018, 03:26 PM
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Originally Posted by AMG 17GT


Would be interested to know if you even have secondaries. I bet not.
I’ll Check next time it’s up on a lift. Early next week to have the tyres switched back again.
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Old 06-08-2018, 05:15 PM
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Originally Posted by thebishman


I’ll Check next time it’s up on a lift. Early next week to have the tyres switched back again.

looks like you have.



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Old 06-08-2018, 06:51 PM
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I’m doing mine as we speak. I’ll report back in one hour.
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Old 06-08-2018, 07:56 PM
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Sounds just as good as stock but a tad louder at WOT. For a 100 bucks is not a bad deal at all...
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Old 06-08-2018, 07:59 PM
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Porsche gt3 trading to amg gtr

Here
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Old 06-08-2018, 08:23 PM
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No more space heaters under your *** lol
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Old 06-08-2018, 09:40 PM
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Originally Posted by V8ray
Sounds just as good as stock but a tad louder at WOT. For a 100 bucks is not a bad deal at all...
Hi V8ray, what is WOT? Any chance of a video? Thanks
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Old 06-08-2018, 10:40 PM
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Originally Posted by h1wtr
Hi V8ray, what is WOT? Any chance of a video? Thanks
WOT Wide open throttle
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Old 06-09-2018, 12:05 AM
  #46  
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I’ll make a video but I doubt it will convince anyone. Like I said it is a little louder but nothing crazy.
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Old 06-09-2018, 02:38 AM
  #47  
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Originally Posted by V8ray
I’ll make a video but I doubt it will convince anyone. Like I said it is a little louder but nothing crazy.
Ah I think I’ll pass. My dealer pulled the vacuum lines on my Ferrari so the baffles were always open. No charge. Nice improvement in sound.
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Old 06-09-2018, 03:42 AM
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Originally Posted by V8ray
I’ll make a video but I doubt it will convince anyone. Like I said it is a little louder but nothing crazy.
Thank you so much V8ray

Have a great weekend
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Old 06-09-2018, 01:07 PM
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Originally Posted by V8ray

Here
WOA! IS that the under car brace on the GTRs?
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Old 06-09-2018, 02:30 PM
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Easy to remove for the work.
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