Noise in Header

[edebes]

Loren (and other members),

I had the chance to have my 99 Box up on a lift today to track down a noisy lifter issue. The noise is located on the drivers side of the engine (tic,tic,tic). What I can report is the noise is located in the area of the back pipe (the end where each of the three pipes join together) which to go toward the cat, not at the head/cam cover area. The farther you go toward the cat the louder the sound becomes. Once at the cat, the sound goes away. Is this still a lifter problem or something else? From my motorhead days, headers would become very noisy as they became weak or worn out. Can this happen to a Porsche header? What are your recommendations? Any damage to engine occuring?

Thx to all for responding.

Ed

[Loren]

Both cats and muffler can break internal welds and make ticking, rattling, clunking sounds. Not to mention heatshields.

You might want to check those out first.

[uabchris]

Loren (and other members),

I had the chance to have my 99 Box up on a lift today to track down a noisy lifter issue. The noise is located on the drivers side of the engine (tic,tic,tic). What I can report is the noise is located in the area of the back pipe (the end where each of the three pipes join together) which to go toward the cat, not at the head/cam cover area. The farther you go toward the cat the louder the sound becomes. Once at the cat, the sound goes away. Is this still a lifter problem or something else? From my motorhead days, headers would become very noisy as they became weak or worn out. Can this happen to a Porsche header? What are your recommendations? Any damage to engine occuring?

Thx to all for responding.

Ed

I have the same problem which is caused by the platinum pellets coming loose inside the CATs. Fabspeed headers would be cheaper than stock replacements and have a lifetime warranty. Removing the heat shields helped a bit too.

Chris Hewett

00 Boxster