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Old 06-05-2010, 04:11 PM   #1
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whats the best aftermarket exauhst system for 986y

Need to replace everything,,,,which company gives the best price and which one has he best sound?


1999 2.5 5spd
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Old 06-05-2010, 05:11 PM   #2
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I vote none. Straight pipes ftw.
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Orlando - 99 BMW M Coupe (autocross toy), '11 Mazdaspeed 3 (dog hauler), '99 10AE Miata (the new daily driver)
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Old 06-05-2010, 05:29 PM   #3
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http://fabspeed.com/Boxster.html

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'04 986 Aero - Seal Metallic Gray
Fabspeed: Maxflo Mufflers, Headers with sportcats, Tips; Alpine & Infinity sound
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Old 06-05-2010, 06:00 PM   #4
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Based on my direct experience with 13 different exhaust arrangements applied to a '98 2.5 engine I'll say that you have about a 90% chance that you'll LOSE power, get WORSE MPG and will have an annoying drone in the cockpit.

The stock system is amazingly effective on the 2.5, my best arrangement ended up being a Boxster S muffler coupled to 200 cell cats and 89.00 Chinese headers.. That arrangement spanked a 3,500.00 system in every way on my engine dyno, chassis dyno and in data logs gathered on the street back to back.

Buying sound can be expensive in more than one way.
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Old 06-05-2010, 06:13 PM   #5
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Jake, any way you can post a link to these headers and 200 cell cats? I checked e-bay but there were a lot of options.

P.S. I am having your IMS bearing retrofit done on my 2000 Boxster S as we speak, thanks for making a great product! (lost my 1999 Carrera to IMS failure)
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Current: 2010 Touareg V6 TDI, stock for now...
Current: 2000 Boxster S, stock for now...
Former: 2004 Porsche Cayenne Turbo... too many issues!
Former: 1999 996 C2, sorely missed
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