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May 4, 2018 | 07:10 AM

#1

srhen

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Factory Softail Headers

I just replaced the stock slip-ons with a set of Rinehart's slotted slip-ons that sound and look great. I was surprised how restrictive the stockers are . My question is why do the factory headers reduce so much at the ends?.

is it to increase back pressure?, or?....

Thanks...Scott

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Old

May 4, 2018 | 07:33 AM

#2

jkinner

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From: Gila Bend AZ

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Stock Mufflers have the catalytic converters in them, the head pipes are open to the mufflers.

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Old

May 4, 2018 | 07:52 AM

#3

srhen

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I know the cats are in the mufflers, just saying how completely restrictive they are. The very ends of the headers are open BUT reduced and use a graphite-type exhaust gasket around the header to go inside the slip-ons.....I was just wondering out loud what the real reason for this reduction was other than creating some back pressure.

Thanks...Scott

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