Neuspeed. Anything else means u paid more which means you paid at least $100 too much (and sometimes $200+ too much). If u want a fancy display under hood u can spend more. The hp they make can not be felt nor will any knock 0.5sec off your 1/4 mile. You'll here lots of noises, remove silly engine cover/intake and they are complementary to tuned cars. eBay downpipe is money better spent...much better spent.
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