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Old 07-24-2008, 10:41 AM   #13
Kirk
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Join Date: Jul 2007
Location: Texarkana, Texas
Posts: 959
Quote:
Originally Posted by Wret
There are already some holes just inside the inlets. I assume they were put there to "tune" the exhaust note. If you can enlarge those holes, as mentioned, you bypass some chambers and baffles and allow more sound through.
I'm not sure that all Boxster exhausts have those holes. Here's a picture of one without them. So your mileage may vary... Still you're making holes or making the existing ones bigger, so it shouldn't really matter.

No you don't need a lift to do this. I imagine that if you're flexible you could even do it with the muffler still on the car! Check for instructions on muffler removal though as I believe there are some on this site. You'll need to remove a U-shaped pipe just before the muffler inlet. Again, with that totally removed or at least moved out of the way, I believe you might be able to fit a drill up under there to do this. If not, you certainly could do it with a 90 degree attachment.

Kirk
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2000 Boxster S - Gemballa body kit, GT3 front bumper, JRZ coilovers, lower stress bars
2003 911 Carrera 4S - TechArt body kit, TechArt coilovers, HRE wheels
1986 911 Carrera Targa - 3.2L, Euro pistons, 964 cams, steel slant nose widebody
1975 911S Targa - undergoing a full restoration and engine rebuild
Also In The Garage - '66 912, '69 912, '72 914 Chalon wide body, '73 914
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