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  1. Join Date
    Feb 2007
    Can you gain extra HP and Torque using free flow muffler on your diesel engine?

  2. Join Date
    Mar 2008
    Dear Sir:

    The quick answer to your question is YES. There are definite benefits to fitting a low-restriction muffler to your diesel.

    When I did so on my Mazda B-2500 pick-up both the fuel economy, acceleration and top-speed improved considerably over the stock muffler.

    Just be careful in the selection of the muffler. It should have just enough restriction and not be too free-flow, or else torque and economy will be affected. Balance is the key word.

    I trust just one person in this, Mang Tony Sison of Sison-Mercado Trading (SMT) of Mascardo St. Makati. He's a little pricey but the quality is second to none. Tel is 896 92 43.

    Ask for a turbo-type muffler and resonator (with the same diameter as your existing pipe). He'll know what to do.

    Best Regards,

    Dusky Lim

diesel Muffler