09-17-2003, 06:31 AM
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CC Member
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Join Date: Apr 2000
Location: Leesburg,,
VA
Cobra Make, Engine: ERA Cobra #273, 427 S/O, ERA GT-40 #2057, Excalibur Cobra.
Posts: 1,011
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Not Ranked
BUDMAN,
THE FACTORY EXCALIBUR SIDEPIPES ARE NOTHING BUT BAFFLES.
FIRST: THE HEADERS FLOW INTO THE SIDE PIPE COLLECTORS TWO OF WHICH ARE "BLOCKED OFF"
SECOND: THE MUFFLERS ARE "DOUBLE REVERSE FLOW". EXHAUST GAS ENTERS THE MUFFLER, IS DIRECTED TO THE BACK OF THE MUFFLER WHERE IT IS BAFFLED AND REDIRECTED TO THE FRONT OF THE MUFFLER WHERE IT IS BAFFLED AGAIN AND REDIRECTED TO THE REAR WHERE IT IS DISCHARGED OUT THE PIPE. THE ACTUAL "TUBE" DIAMETER IS JUST LESS THEN 1.25 INCHES. NET RESULT - - A GEO METRO HAS A BETTER FLOWING EXHAUST SYSTEM.
LUCIEN DENOFRIO OF "ARIZONA EXHAUSTS" USED TO MAKE THE GREATEST REPLACEMENT MUFFLERS HOWEVER HE HAS QUIT THE BUSINESS. LUCIEN USED TO MAKE THE CUSTOM MUFFLERS FOR J.C. WHITNEY. MY GUESS IS THAT J.C.W. HAS FOUND A NEW SUPPLIER AND I WOULD RECOMMEND TRYING THEM.
WHILE YOU'RE AT IT - - - GET RID OF THE "FOUR" CATALYTIC CONVERTERS UNDER THE CAR.
REPLACING THE MUFFLERS AND GETTING RID OF THE "CATS" WAS THE MOST EFFECTIVE PERFORMANCE TRICK I DID ON MY EXCALIBUR. IT ALSO SOUNDS LIKE A COBRA NOW - - ONLY SMOOTHER.
INCIDENTLY - - THE CLASSIC ROADSTERS MUFFLERS WERE/ARE THE SAME "WALT DISNEY ENTERPRISES" DESIGN.
D.V., DON SCOTT OR JAY NORDSTROM WILL PROBABLY HAVE SOURCES FOR REPLACEMENTS AS WELL.
Y'ALL HAVE A REALLY GREAT DAY,
BLACKJACK
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It's impossible to make anything FOOLPROOF - - Because FOOLS are so ingenious.
Last edited by BLACKJACK; 09-17-2003 at 06:34 AM..
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