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  1. L

    the right size!

    I want to get magnaflow mufflers for my 1990 lexus LS400 but I don't know what size to order. Should I order 5x8...or what? What piping should I run for the exhaust on a N/A motor? I am thinking 2.25" to 2.5".
  2. L

    My 1uzfe!

    It is a 1990 Lexus LS400.
  3. L

    My 1uzfe!

    How much power over stock will the following upgrades get me: RMM intake ECU chip upgrade magnaflow mufflers with high flow resonators
  4. L

    With stock internals?

    How much horsepower/ torque can a 1990 Lexus LS400 engine handle from a supercharger or turbocharger?


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