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Pypes Performance Exhaust H-Pipe with Catalytic Converters 1999-04 Mustang

958-HFM36


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H-Pipe with Catalytic Converters 1999-04 Mustang
$697.75
1 left in stock
H-Pipe with Catalytic Converters
  • 1999-2004 Mustang
  • 2.5 in. Diameter 409 Stainless Pipe
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    HFM36 - PYPES Ford Mustang H-Pipes is rated 4.5 out of 5 by 2.
    Rated 5 out of 5 by from Takes Mustang growl to new (and better) heights! I can't believe no one has reviewed this exhaust! My '04 GT got one about 2006. It's still going strong and sounding great. Best of all is the street / strip ability. High flow Cats for the street and straight pipes for the strip. Only 10 minutes to swap and O2 sensors remain working regardless of configuration. You have to swap the Cats back in to travel public roads - no one would want to break the law. There were a couple of times I didn't have time to do the swap after running so straight pipes were left on for a while. (About 5 years, mostly somewhere in Mexico.) One year I forgot to swap the Cats back in before smog and it still passed. Glad inspector didn't want to look under the car. Anyhow, after hearing and driving GT's with other aftermarket exhausts I'll take this exhaust and never look back.
    Date published: 2019-07-24
    Rated 4 out of 5 by from It will do the job..... I’m giving this H pipe 4 stars because of fitment and quality control issues. I replaced my Bassani Catted x pipe with this H pipe. The x pipe fit Perfect But This one hangs down lower. My mustang is lowered and after installing this Pypes H pipe it sits lower than the x pipe. The head pipes seem to be longer which make it come down lower to the road I also had to cut them because they are to long. Something else to look out for is the crossover/balance tube or cross-section pipe. It was no fully cut out and I had to grind away alot of pipe or risk flow restriction. I feel this should have been already done before the pipe was put on the shelf. I did not choose to use the cats provided in this kit because they are stainless steel and would be very hard to clamp against the head pipes to have a good seal. Overall the pipe worked and sounds good with my bassani catback with flowmaster 40 mufflers. Not sure I would pay the price they want for this if I was to choose an H pipe but then again I do not know how others fit
    Date published: 2020-02-09
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