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I've spoken with RB about their headers coming out later this year. Their dyno results have only shown around 4-5whp gains and not too much sound increase. When they come out I'm getting them... It would be one step closer to my 25whp NA increase I'm looking for.
I had a turbo 8 - not going down that path again. Besides, RB makes a damn good header and I trust their tests...
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