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Review on πŸ”§ Dewhel Billet Turbo Resonator Plug Cover Cap - Silver for Chevy 2004.5-2010 Duramax Diesel LBZ LLY LMM: Product Review and Buying Guide by Oren Perry

Revainrating 5 out of 5

Turbo Whistle Change

Application: 2008 GMC LMM, Banks CAI, Standard Exhaust, CA Legal Hypertech. base of the resonator, remove it and insert the connector. Some people claim it increases the turbo whistle, I'm calling about that, I didn't notice any noticeable change in noise level or pitch while driving. When the change does occur it is so slight that most people would not notice it and a db sound level meter would probably be required to detect the change. I only bought it to clog a plastic resonator that is prone to cracking. In my humble opinion, it's just cheap insurance. prevent dirty air from entering the engine.

Pros
  • Very Impressive
Cons
  • Negative Present