stock chrome on 2013. I don't want loud. I just want a throaty sound. I know nothing about the V&H product. I believe I should go with the Loops but I don't want to do it if it screws up my warranty. I have only considered TBR and Cobra *Black* SIX-2-SIX. Now I want to learn about the V&H so I don't risk missing out on something better