I doubt it's all that bad, and I bet it's even within 1 or 2 hp of other products. Nothing about it looked like a bad design, although folks say it's a bit quiet. Probably goes well with HFC's. People just buy other exhausts because they are cheaper or give a particular "look" (basically why I bought mine).
Also from what I understand, true duals v. H-pipe v. X-pipe shouldn't make any real difference in performance since the VQ is an even firing engine. It's more for tuning sound than anything else.
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2012 Mercedes C63 AMG P31 Sedan, ROW, aFe, Eurocharged Dyno Tune. 438WHP/415WTQ
2010 SOLD: 40th Anniversary 370z
Last edited by BalanBro; 03-13-2011 at 04:56 PM.
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