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jackh 12-23-2007, 01:37 AM this vid was on a thread on gmfullsize.com http://youtube.com/watch?v=zQ_VqAC2yBM o my god listen to that whistle... i heard getting an alluminum intake tube will make the whistle louder is this true? 66flh 12-23-2007, 01:39 AM Not sure about the newer VVT turbos,but on a LB7 it sure makes a difference! jackh 12-23-2007, 01:48 AM o and idk if anyone noticed this but at the end when he floored it, the speedo went up, but the car is just sitting there...:wtf: EricJS 12-23-2007, 01:54 AM He is running one of the new Cheetah Turbos. That is why it sounds like a jet.;) gasuout 12-23-2007, 01:58 AM noticed that too.. sounds wicked jackh 12-23-2007, 01:59 AM ya i got that much from the vid but i also heard running the alluminum intake will make your whistle louder, thats why i asked deadsquirrel 12-23-2007, 02:09 AM yep....brayden's cheetah sounds mean! flyin99 12-23-2007, 09:17 AM o and idk if anyone noticed this but at the end when he floored it, the speedo went up, but the car is just sitting there...:wtf: Mine does that in park also. Probably just the electronics in these things. No more cables you know..... THE TECH 12-23-2007, 06:14 PM Metal tubes may make it sound better, but you will lose hp due to the heat that the metal radiates and doesn't dissipate. dmax4u2nv 12-24-2007, 02:50 AM Metal tubes may make it sound better, but you will lose hp due to the heat that the metal radiates and doesn't dissipate. the added heat from the intake will be negligable once the air is heated by compression. even then, it still has to go through the intercooler. BigDawgz 12-24-2007, 03:11 PM Just put a WorkHorse HD intake on my otherwise stock LLY and I noticed a slight increase in turbo whistle. Exhaust is next so I'm sure that and eliminating the cat will make a big difference too. | ||