true duals on nnbs

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by flip66, Dec 27, 2009.

  1. flip66

    flip66 New Member

    I'm looking at putting duals straights on! But don't know if I should put true duals after cats our just cut off the muffler and y it out. If it didn't cut down to v4. I'd run after cats. Any one on here run straights after cats? If so could you put a sound clip on here for me please!
  2. prod78chevy

    prod78chevy New Member

    what is a v4?
  3. wulk025

    wulk025 New Member

    He's talking about how the motor cuts off 4 cylinders to save on gas at cruising speeds.

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