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Old Yesterday, 04:48 PM   #1
Nima
Blue 67
 
Join Date: Apr 2004
Location: Western WA
Posts: 1,171
General Muffler question

My question is about installing a dual inlet and dual outlet mufflers, Flowmaster 50 and 70o series big block in specific. On either side, can you use one of the connections as an inlet and use the other one as an outlet? Basically, I am asking if each side dual inlets (or outlets) have to be both inlet or outlet only? I hope I explained it!
I have on hold for over 30 minutes more than once at Holley's tech phone line!!
__________________
1953 GMC 3/4 ton: current project
1967 C20: 5.3 voretc with T5 conversion, 4 wheel 8 lug disc brake
1972 Nova: my 4 door sport sedan! 5.3 voretc + T5 conversion. drivable project, FUN!!
1979 Camaro Z28: 5.3 vortec conversion with build TH350: drivable project, Fun to drive
1992 Camaro RS convertible (Z28 clone): 5.3 conversion with build T5: on going project
2005 Silverado 2500, 4x4 Duramax, original owner
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