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  1. S

    weird sound under the car

    rtrdpenguin, no it sound like fart. lol. I think i have exhaust leaks somewhere, i'm gonna put my stock exhaust system back on, if the noise still there, then it's coming from the DDP. i'm tired of loud exhaust noise, i want quiet now. willl the stock exhaust fit the back of the DDP?????
  2. S

    weird sound under the car

    ok, i will try that tomorrow. Today it's 52degree outside and the car is normal, no weird noise under the car at all, i wonder if it's coming out of the downpipe where the round threads section is. it only do it when it's hot. thanks for your help!!
  3. S

    weird sound under the car

    mostly in 1st and 2nd gear only around 2k rpm. it get's louder around 3k then its gone, and come back again when u stop at the light, but only happened when it's hot out side. it runs normal no wierd noise at all when it's cold outside.
  4. S

    weird sound under the car

    [ Thanks!! i'm still learning about this site, i will pm u if i need any question.
  5. S

    weird sound under the car

    hello!! i have a 1992 Supra Turbo Auto. the only mods are K&N intake, ZW motorsports downpipe with divorced wastegate, and a custom 3" exhaust. whenever it's hot outside, and only when it's hot there is a nasty noise right below the trans. it sound like pressure is coming out there. I know...