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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHCargraphic Exhaust vs. Tubi Exhaust
Leading reported evidence
Replace happen downstream of the cats, emissions isn't a concern
Suggestion or failed attempt
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1
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Suggestion
This is one reason why "catback" systems are so popular - as long as the changes happen downstream of the cats, emissions isn't a concern.
Leading evidence: 'Replace happen downstream of the cats, emissions isn't a concern' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace happen downstream of the cats, emissions isn't a concern' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion · Original poster
If anyone is running the cargraphic (sport) exhaust i would love to hear your review on it.
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Suggestion
Funny part is that the car passes the test perfectly everytime.
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Suggestion
I don't even HAVE mufflers on my Corvette (it's a chambered exhaust system) and have had no issues, and I have to use the "STAR" stations that do a more comprehensive visual inspection.
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Suggestion
I don't even HAVE mufflers on my Corvette (it's a chambered exhaust system) and have had no issues, and I have to use the "STAR" stations that do a more comprehensive visual inspection.
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I am looking to put a new exhaust on my car for added sound. I have found many reviews on the Tubi exhaust but none on the cargraphic. If anyone is running the cargraphic (sport) exhaust i would love to hear your review on it. I would also love to hear y'alls review on the Tubi exhaust. I would love to know which one y'all think sounds better. There is only a $600 price difference on these two exhausts with the Tubi being more expensive.
I've heard both and they are both nice but for a $600 difference, I'd probably take the Cargraphic myself. With that said, I currently have Tubi's on my car.
Also make sure you're comparing apples to apples. IIRC, Cargraphic used to have cans in two sound level versions.
BTW, did you move to Cali from TX?
Since you asked for Tubi reviews: I loved my Tubi cans, and I miss them desperately. I quite like the Fister cans that are on the car now - but the tone of the Tubi mufflers was higher-pitched and angrier - a hint of non-Turbo F1. I miss them. My neighbors don't.
I believe that the Tubi cans should pass smog because they are just mufflers. I am not sure about the cargraphic exhaust. My car is registered to a small town so no need for smog over here
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Neither muffler should prevent the car from passing smog - the mufflers are not emissions equipment. I don't even HAVE mufflers on my Corvette (it's a chambered exhaust system) and have had no issues, and I have to use the "STAR" stations that do a more comprehensive visual inspection.
This is one reason why "catback" systems are so popular - as long as the changes happen downstream of the cats, emissions isn't a concern. Changing the exhaust manifolds or the catalytic converters is a no-no if the replacement parts are not certified by the California Air Resources Board. California recently got even more Draconian about which catalytic converters are acceptable; a high-flow catalytic converter that produces passing emissions numbers will still fail if it is not CARB certified.
True statement, CARB even has a database of approved catalytic converter brands listed by name.
Reason why I asked about the mufflers earlier since the shops local to me are pretty "****" about visual checks.
My car came with the Cargraphic headers and Fabspeed mufflers. I cannot compare it to stock but to me it sounds wonderful, not too loud, not too silent.
I love the Cargraphic (loud version) on my tt, but the pfisters on my old 996 were better to live with day-to-day. They make a nice raspy noise when you get on it and quiet for cruising.
The best part of pfisters was that I just pulled the rear bumper off (plenty of diy vids online) and drove down to my exhaust guy. $100 and an hour later, I had two shiny new bypass pipes and didn't have to mess with installing a new exhaust. It passed emissions in CA, and the new owner regularly tracks the car at Laguna Seca, which has pretty strict noise controls.
The Cargraphic high flow cats slipped by inspection in SF, but I have some stockers on a shelf in my garage just in case.
I have full Cargraphic Exhaust on my 996. Passes CA smog everytime, however, I had to find a place that was okay with not looking hard for the CARB emblems on the components. The first two places that I went to crawled under the car and then informed me that they would have to fail me.. I quickly left. Fin ally found a place that worked with me. Funny part is that the car passes the test perfectly everytime. Oh, and this is with the 200 cell cats and sport mufflers..
Tubi mufflers-
They are very modest at idle and slight acceleration.
If you blip the throttle, you can get an incredible sound up to 4500rpm , hit the hammer and it screams like an F1 rocket.
Also, I have Kline long tube headers and 200 Cell X pipe.
I have posted some sound chips here, if you can't locate I will post again.
BTW, Cargraphic was second choice.
Both are pretty close IMO, 80-90% similiar. I can't choose for you but I was merely stating based on one of your criterias in price. Here's my observations:
Tubi's - closer sound to NA older F1 cars, older versions have been known to corrode and have loose baffles over time, shiny can
Cargraphic - comes in two sound level flavors, less conspicuous cans, more engineering and tailoring specific to the Porsche, not as "f1" sounding as the Tubi's IMO.
You can't go wrong with either.
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