RC F (2015-present) Discussion topics related to the RC F model

Manifolds comparison between ISF and RCF

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Old 04-30-17 | 10:48 PM
  #16  
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Originally Posted by Manh3
^^^ what negatives are you experiencing if you don't mind sharing so others won't make the same mistake. Thanks
Fumes, Check Engine light, high increase in fuel consumption...
Old 05-01-17 | 09:54 AM
  #17  
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^^^^

1: If you have fumes, you must have an 3rd party exhaust that eliminated your secondary cats. Is that correct? Some cars get gasoline smell with cat removal, some don't. Note, I have PPE headers with PPE exhaust and hi-flow cats built into my exhaust system (ISF).

2, The CEL is harder to remove from the RCF than the ISF. But both PPE & RRRacing have solutions.

3. Fuel consumption should not be an issue, unless your putting your foot in it. However, with the CEL, your driving in "Limp Mode". You will be starting off in second and performance will be reduced.

Lou

Last edited by flowrider; 05-01-17 at 09:59 AM.
Old 05-01-17 | 12:01 PM
  #18  
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Originally Posted by flowrider
^^^^

1: If you have fumes, you must have an 3rd party exhaust that eliminated your secondary cats. Is that correct? Some cars get gasoline smell with cat removal, some don't. Note, I have PPE headers with PPE exhaust and hi-flow cats built into my exhaust system (ISF).

2, The CEL is harder to remove from the RCF than the ISF. But both PPE & RRRacing have solutions.

3. Fuel consumption should not be an issue, unless your putting your foot in it. However, with the CEL, your driving in "Limp Mode". You will be starting off in second and performance will be reduced.

Lou
1. i have a JoeZ catbackand the fumes increased noticeably after gutting the cats.
2. i agree.
3. Im using the same mode (sport +) and the driving style didnt change... however the fuel consumption has increased noticeably its like the car is consuming 1.25 times more than usual.
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