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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.
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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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