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Old 09-25-2012, 02:55 PM   #8
Scooby Specialist
Member#: 290592
Join Date: Aug 2011
Chapter/Region: South East
Location: Charlotte, NC
15 Outback,


Originally Posted by Sir Tolik View Post
No, I don't pay to anybody. Using the advices from the romraider forum and my friends involved in tuning I am playing with the ROM. For myself I want to decide whether to install the wideband sensor into the stock downpipe or to buy a 3" one. It seems that at this stage I will select this option and then decide what to do next. Didn't know about Grimspeed - seems to be a perfect solution for me at this point, thank you!
I saw that Cobb / Perrin 3" downpipes have catalysts. Do they create some problem?
These cats are of the "high flow" variety and will have negligible impact on your power potential. That said, unless you are required to have an emissions inspection on your vehicle, catless is cheaper.
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