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Rectangle Exhaust ports, Round Header ports, does this matter?

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Rectangle Exhaust ports, Round Header ports, does this matter?

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Old

Aug 7, 2002 | 06:04 PM

#1

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Joined: May 2001

Posts: 638

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Rectangle Exhaust ports, Round Header ports, does this matter?

Will this matter on flow at all?

Old

Aug 8, 2002 | 09:33 AM

#2

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iTrader: (1)

Joined: Jul 1999

Posts: 10,950

Likes: 27

From: Orange, SoCal

Car: 1990 Pontiac Trans Am

Engine: 355 TPI siamesed runners

Transmission: Tremec T56

Axle/Gears: 12-Bolt 3.73

Nope its been that way for years. As long as your header ports are larger than your exhaust ports, you're fine.

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headers, ports, rectangle, round

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