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Flowmaster 40 Series
Where are you Green03? Come to my rescue please. Before I go spend money stupidly. Sent u a pm by the way but please post your answers here so others may see. Thanks!- John Major
- Post #7
- Forum: Engine & Performance
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J
Flowmaster 40 Series
I've got the '03 5.4L engine. Do I need to do anymore to the exhaust other than the Flowmaster? High flow cats, etc? And what is the recommended intake plus tune to do?- John Major
- Post #5
- Forum: Engine & Performance
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J
Flowmaster 40 Series
cool! In that case, i need sum suggestions to get more ponies out of this behemoth. without having to kill my wife first of course.:) Or the other way around.- John Major
- Post #3
- Forum: Engine & Performance
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J
Flowmaster 40 Series
Newbie here. Just installed a Flowmaster 40 Series muffler (love it!) and I wanted to know if I need to reprogram or reset the computer to work well with it. What do you think. Thanks!- John Major
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- Replies: 7
- Forum: Engine & Performance
