HIGH FLOW CATS -pop

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Aug 6, 2005 | 02:02 AM

Marv

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Joined: Oct 2001

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From: Coast,B.C.,Canada

HIGH FLOW CATS -pop

Do all high flow cats make that pop,pop sound when you let off the gas?
I have noticed a decrease in sound and performance since I swapped out the
stock cat. What's with it?

Aug 6, 2005 | 02:32 AM

Rotary_7

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Joined: Jul 2004

Posts: 424

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From: California

i thought the pop pop was just a normal after burn.

OR

you could be running rich

Aug 6, 2005 | 02:42 AM

GnawD87

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From: San Jose, CA +Riverside, CA

mine pops and its stock...

Aug 6, 2005 | 02:48 AM

Mura

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Joined: Mar 2005

Posts: 518

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From: Orlando, FL (Turkey for now)

I make mines pop...I love it. Sometimes I can get a nice big pop from my lovely NA. If I end up getting the full Racing Beat setup (header-presilencer-dual cat= $987) I'm hoping I can get an even more popping sond...maybe a little flame too.

Aug 6, 2005 | 03:54 AM

jono20

Rotary Enthusiast

Joined: May 2005

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From: Vernon, BC

before I crashed my car, my pops would resemble ***** of flame and spark shooting from my tail pipe

Aug 6, 2005 | 07:15 AM

Icemark

Former Moderator. RIP Icemark.

Joined: Apr 2001

Posts: 25,896

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From: Rohnert Park CA

some minor pops are normal on lift throttle on a rotary, but substantial or multiple pops suggests that the motor is improperly tuned, or missing the air pump and ACV, or the TPS is out of adjustment.