Everyone has there favorite but, I have stainless dynatech catback header system with dual super 40 flowmaster muffler exhaust system. I had experience with flowmaster so went that way but, everyone says it sounds loud and deep while on the throttle and soon as I let off it quiets down real nice. I do not hear it on the freeway. I can cruise around with sunroof open and does not cause any problem but, when I get on it You can hear it as far as you would want. It is run down the right side where factory is and they used 3" into 40's and 2.5" out to fit both side by side over axle in stock location. Dual 3" did not look like it would fit with comfort and Exhaust Shop was little worried about releasing back pressure to much. I have found there is a difference between a muffler shop and an Performance Exhaust Shop. I go where the racers and muscle cars go. They have ussually more knowledge and in most case have tried so many things that they already have an idea of what will do what you want. Just My experience.
TAZ
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05 H2 SUV cus. paint, Magnuson SC 6/12lb boost, cowl hood scoop, 12" dash touchscreen, GM elec. fans, HPTuners.com tuning soft., Dynatech headers dual catback exhaust Jet Hot chrome front to back Flowmaster Super 40's, Diamo 8 Karat rims & 325X60-20" Toyo, 4 OEM Captain seats Katzkins leather, rear console computer inside running all AV/NAV etc., Infinity component system 3 amps Tsunami Caps, rear flip down 12" monitor, headrest monitors, overhead console boost, fuel pressure, & A/F ratio gauges
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