Hello. I have an '08 Silverado with American Racing headers and catalytic converters. Will Magnaflow #14161 effect the power. Part #GM53-07134300LSWC. Thank you.
CAR MAKE & MODEL
Make = Chevy
Model = Silverado
Year = 2008
Good morning and thank you for choosing JEGS for you technical questions. There should be no flow restrictions with that muffler. IF you need further assistance, we are here.
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