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Latest Jan-1 by Sick Mick* (quick_mick)
Latest Dec-28 by Sick Mick* (quick_mick)
I did notice a slight increase in HP (seat of the pants dyno), but it sounded more like a hemi with the 2 into one pipes than the individual potato potato sound coming out of 2 separate pipes that I personally prefer along with the look.
Thanks evwy8ne for the responses! I am going to keep my existing exhaust. I can't justify the cost of new pipes yielding a minor HP gain. I also love the look of my Big Straights over a 2-1 system. I am going to change out the baffles to quite them down a bit thuogh. Anyone here using the Big City Thunder Quiet Baffles? I have their lollipop installed now and they sound good but a pretty loud.
To answer your question. About 5hp with the Cobra 2:1, it's the only 2:1 performance made for the 1100.