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JSPERFORMANCE · 12-19-2011, 09:13 PM

I have spintech mufflers on my truck and IROC.. Both make plenty of power.. I have had no problems with Spintech products..

Correct me if I am wrong but isnt the "rumbler" a dual 3" exhaust that dumps before the axle??

I do know the Mufflex back half is a full exhaust that works with a factory style y pipe..

12-19-2011, 09:13 PM	#5
JSPERFORMANCE NJFBOA Supporting Sponsor Join Date: Feb 2006 Location: HULMEVILLE, PA Posts: 2,023 iTrader: (4) Social Networks:	I have spintech mufflers on my truck and IROC.. Both make plenty of power.. I have had no problems with Spintech products.. Correct me if I am wrong but isnt the "rumbler" a dual 3" exhaust that dumps before the axle?? I do know the Mufflex back half is a full exhaust that works with a factory style y pipe.. __________________ JSSPEEDANDCUSTOM.COM