'pop' during upshifts after installing catback

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02-09-04, 09:19 PM

roadsterdoc

94 FD, 69 Datsun Roadster

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'pop' during upshifts after installing catback

I just installed a high flow cat and RB duals and now get a pop or bark from the exhaust during spirited upshifts. Is this normal? It never happened before...at least I couldn't hear it with the stock setup.

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02-09-04, 09:27 PM

Chameleon

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Yep, normal

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02-09-04, 10:12 PM

oneflytrini

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put a midpipe and look out for some flames. Be CAREFUL of fuelcut tho

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02-09-04, 11:43 PM

rajeevx7

2 FD's since '98

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Back fire.

Totally normal with an unrestrictive exhaust. Get on it hard and let off and you will shoot a fireball, literally.

Raj

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02-12-04, 09:28 PM

fd3s_rx7

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my HKS does the same on my FD.

scares the sheit load of people near me.

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