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exhaust

  1. Lawn & Garden Tractors
    I have a 425 that is loud even with ear protection on it. The local JD repair shop said it is an exhaust manifold that needs replaced and wants $1500 (parts and labor) to fix this. 1) where are instructions on how to replace this part 2) where can I get a used or aftermarket part I have...
  2. Vintage Lawn & Garden Tractors
    I own a JD 318 and I was thinking about exchanging out the stock exhaust and muffler with a stainless steel stack exhaust. Will taking out the muffler affect the back pressure at all? Is it really necessary to have the original amount of back pressure? And what would be the best way at getting...
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