1996 Stock Exhaust: 2.5 inch piping back from the catalytic converter to a resonator (high flow muffler). 2.5 inch piping from the resonator to the Y-pipe which splits the flow for the dual mufflers. 2 inch piping from the Y-pipe back to each muffler. Mufflers are offset in, center out. Muffler cases are 20 inches long, 11 inches wide, 5 inches tall. 2 inch piping out from each muffler to dual tips.
Sound File this sound file was taken with a Kodak DX3600 camera. The sound file is of the car starting (the clicks/clunks) then idling (almost inaudible), and finally revving to 6000 rpm or so.
1998 and after:
Borla STS and Eldorado Cat-back $1109 (out of production)
Any Car: Replace mufflers only. Options:
Ravin stainless steel mufflers www.goravin.com
Borla stainless steel universal mufflers www.borla.com
Edelbrock RPM series universal muffler www.edelbrock.com
Dynomax stainless steel universal mufflers www.dynomax.com
Ultra Flow Universal Applications
Try two Model 17285 Ultra Flow Stainless Steel (SS): 2" in/2"out, with 20" shell, 4 1/4 x 9 3/4 body, which appears to match my 96 STS measurements above. 323 CFM of flow alone, 646 CFM for two.
Model 17283 Ultra Flow SS 2.5"/2.5" for 489 CFM alone, 978 CFM with two. To find the DynoMax performance exhaust dealer or service outlet nearest you, call toll free 1-800-767-DYNO.
See GTP installation
Flowmaster universal mufflers www.flowmastermufflers.com
Chrome or gold exhaust tips -- Protrim
2001 Aurora Corsa System:
What have people actually done? Exhaust survey: