NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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- 1st Generation Specific (https://www.nopistons.com/1st-generation-specific-16/)

- - backfire (https://www.nopistons.com/1st-generation-specific-16/backfire-8170/)

lowroller

11-21-2002 03:13 PM

I recently got my exhaust done cat back, 2 1/2 inch piping with a dual magnaflow muffler. my car used to backfire a little before I had the exhaust done, but now it sounds like a bomb is going off. Any Ideas of what the problem could be, or is this normal for rotaries??

j9fd3s

11-21-2002 03:42 PM

is it a 79-80? they do that.

mike

Viperx7

11-21-2002 03:44 PM

Make sure there aren't any leaks. That will also cause backfire.

lowroller

11-21-2002 05:16 PM

it's an 82. I'm pretty sure it dosn't have a leak.

j9fd3s

11-21-2002 05:22 PM

hmm, try taking the airpump off, sometimes that system will do that

mike

bcrx7

11-25-2002 11:09 AM

yeah as it was said above, the faulty ACV and airpump usually make them backfire.

mrdiaz96

11-28-2002 01:41 PM

I will try that. :bigthumg:

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