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  1. M

    ACRX Headers

    Fact Check: Subject: Belanger Headers I have personally installed dozens of GEN IV Belanger headers on 2008+ Vipers using the stock engine controller. Not one car has thrown a check engine light. Not one has failed an emissions test. NOT ONE! Possible Causes: I suspect that...
  2. M

    “a Nod Is As Good As A Wink To A Blind Acrx Horse”

    Quote: Summer 2010 Viper Magazine Page >> Page 39 “catalyst And Downstream O2 Sensors Were Removed. Winkles Estimated That Change Netted 20 Horsepower While The Headers Netted And A Revised Engine Fuel And Spark Calibration Accounted For The Other 20 Horsepower Gained Over The...
  3. M

    Notes on Gen 4 mods

    Nice try Dan, you always distort numbers in order to make sales, my Gen IV street car makes 595RWHP with Belanger headers and the stock controller only. Shall I do the math for you? Just look at the Stack Performance dyno video: YouTube - Viper Dyno Day and exhaust sound tests at Stack...
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