Quote:
Originally Posted by Italteen3
Nope. :smile: It starts at 3" tapers down to 2.75" and then to 2.5". Has been proven to easily make 20+ whp. I believe some have shown close to 30whp with just these DPs!
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Thanks for the info. 20+ is a lot. Is that with a tune??
Also, my question still stands though. Is having 3" -> 2.75" -> 2.5" still a waste? Because 2.5" will bottleneck the rest??? Isn't that the same as 2.5" all the way through?
I'm not doubting the performance gains, I'm just curious about the tech behind them.