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2008 Ford F150 4.6L V8 Flowmaster 40 Series Dual Exhaust

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Uploaded by on Apr 12, 2009

my 2008 Ford F150 4.6 with Flow 40 Dual

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Autos & Vehicles

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Uploader Comments (StephenOCCMan)

  • Why was it idling so low?

  • @killer505152 when I had that cluster, the tachometer got messed up and read improperly. I have since replaced it with an FX4/FX2 cluster. It was about 500rpm off.

  • Dude you talk like a cop slow down

  • @Porsche1080 a cop? lol more like someone who suffers frm ADHD

  • Get a chip to firm up that shifting! :)

  • @syphr9 will a tuner do all that for you? Are we finally past the days of doing Tq convertors and valve bodies? Seriously...I haven't researched that stuff but want firm crisp shifts.

Top Comments

  • geeze you were speaking on the quicks!!!!

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All Comments (22)

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  • Where did you get those gauges?

  • @StephenOCCMan I have ADHD too bro!!!!!!!!!!!!!

  • @killer505152 Haha, holy shit. You're idling at like 100 rpm's.

  • @coochiemama511 It's just the 40 series muffler. 2.5" 2.25" out. He went up to 2.75" on the ID. and down out..it gives better backpressure and sound, check some of the exterior videos and you'll hear what i mean. If you buy the American Thunder, which is the actual kit, it's the 50 series muffler so it's not as deep and mellow. But it's all within a personal preference.

  • Is this a flowmaster exhaust kit, or just a muffler?

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