magnaflow

  1. OakyTruck

    Life After Pancake - Another Exhaust Build Thread

    Hello, After reading about the "pancake" converter in other threads, and scrolling to the end of Jegs/Summit/LMC, etc. I arrive here with some questions. Background: 1988 C1500 Silverado 305 RWD. Stock everything. Cat-back pipes showing some rust, esp rear of muffler. No holes yet (I think)...
  2. D

    O2 sensor on mid length headers

    Does anyone have any experience running the stock 1 wire O2 sensor on direct fit, mid length headers? I have a hole in my cat and rotted headers, so I am replacing the stock manifolds with JBA 1830S headers and cat with a Magnaflow 23256. I saw that long tube headers or relocating the sensor...
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