V6 (1994-2004) Mustangs Technical discussions on the 3.8L and 3.9L V6 torque monsters

Longtube Header Question

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Old 07-22-2015, 06:30 PM
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MustangVixenGT
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Default Longtube Header Question

If I was to put on Mac Longtubes and a PaceSetter X pipe, am I still limited to V6 true dual setups? Or does that enable it to use any catback that a GT could run?
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Old 07-23-2015, 10:41 AM
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Daehawk
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Should be able to run anything...at a guess. I run MAC longtubes, Hpipe, and duals...no cats at all. Keep in mind the LTs hang really low and will drag on about anything.
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Old 07-23-2015, 12:31 PM
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jthorn9
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You always use GT catbacks when using an x, h, or straight pipe design. Most V6 kits are designed to bolt up to the factory y pipe.
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Old 07-25-2015, 08:33 PM
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skidawgz
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I have Mac LTs, to H pipe to GT catback. I ordered the passenger side exhaust hanger and everything fits up. The car was insanely loud with LTs + 2 High flow cats + divorced duals. H pipe quieted down.
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Old 09-03-2015, 12:40 PM
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MustangVixenGT
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Originally Posted by Daehawk
Should be able to run anything...at a guess. I run MAC longtubes, Hpipe, and duals...no cats at all. Keep in mind the LTs hang really low and will drag on about anything.
Meh... Happens I guess my 2013GT use to hit its headers all the time too over any dip.... But thanks for the info everyone! This makes this soooo much easier for exhaust options.
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