Last weekend, I installed the SLP dual tailpipe side exit resonator delete on my 2010 Yukon Denali. Exhaust note is only slightly louder and I would call it "enhanced" b/c it sounded pretty good stock. It's a very good quality piece and very easy to install although kinda confusing about where they tell you to take the measurement to cut the stock system. I held it up against the stock system and marked it with a sharpie, checked it a couple times..... then cut! Perfect fit! I've seen the part advertised anywhere from $200+ at various sites and picked mine up for $151.95 ($159.95 less 5% sale with code SLPSALE) and shipped free from LMPerformance.
http://www.lmperformance.com/559781
Here's a couple on my Denali:
http://www.lmperformance.com/559781
Here's a couple on my Denali:
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