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955TurboS
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I was . . . interested in more power. This is what the technician told me today 'bout my 955TurboS: Do not use any octane boosters (at first I denied it) - had to replace ALL of the spark plugs. There was an 'orange' color to the plugs indicative of octane booster use which increases oil consumption (which mine did) and also causes misfires. There went $550 to have them change it. #2: Do not use K&N filters. They are oil based and sooner or later some of the oil will affect the circuits in the flow meter (I forgot the exact wording he used) and it's not covered under warranty. I will have to put back my stock filters this weekend. #3: Do not take off the secondary catalytic converters. I just purchased an awesome set from BB Exhaust and was planning on installing them this weekend. I have 2 full cases of Lucas Octance Boosters. They really give your beast a kick! Can't use them anymore. I have a set of K&N filters less than 6 months old. Can't use them anymore. I have a brand new set - not installed, cat bypass system that goes from the secondary cats to the muffler in stainless steel. Can't install them. SHOOOTS! :angry: I was looking forward to 550hp but may have to settle for stock. Comments/ideas are (very) welcomed.
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I just received my cat bypass pipes from BB Exhaust. I was shocked! These stainless steel pipes come in 3 sections: eliminates the secondary cats and goes all the way to the mufflers . . . for a bit less than any other brand of cat bypass pipes you see advertised. If you're wanting quality and a product worth every cent you spent, look at BB exhaust. I'll be installing them sometime next weekend. I'll pick up a couple of copper gaskets first.
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I received my cat bypass pipes from Billy Boat Exhaust for my 06 Cayenne Turbo S on Wednesday. It does have all of the necessary hanger mounts, hardware and the workmanship/quality of their pieces look good. THEIR cat bypass system starts at the secondary cats and goes to the rear of the car just before the exhaust. Comes in 3 sections (actually 6 - 3 per side), is made of stainless steel AND cost about the same as you would get from the inferior resellers/dealers that also have Ferraris and Vettes on their websites. I'll install the pipes in a couple of weeks when I have a spare weekend. Any advice would be appreciated.