Quote:
Originally Posted by Sportsguy83
For the Nameless system (and I guess the Borla too), you just need to get the headerback exhaust numbers and subtract that from the Full exhaust Dyno to get an idea what the header itself adds.
Dynoing a Header by itself (rest of exhaust stock) is really not a good indication because the reason to add a header is to complete a full exhaust, not to only free exhaust close to the engine to just go right back and restrict it past the header.
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Exactly. There's dynos of the Nameless price before and after installation, but not baseline. In any case everything I quoted is correct.