Joe Z Exhaust question

3330 Views 4 Replies 5 Participants Last post by jeanlegro, Mar 12, 2012

GrandPap

Discussion Starter · Feb 14, 2012

I got a new Joe Z exhaust 3 weeks ago. It backfires (just a toot) when I get off of the accelerator, even at low rpms. But what is really bothering me is that it really stutters and pops and cracks shifting manually in Sport above 6000 rpm. It feels like I'm hitting the rev limiter (but I'm not). Is this normal or do I have a leak? I haven't been able to get it back on a lift to check it.

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evil teo

· #2 · Feb 15, 2012

the back fire is normal. give it a couple more miles and check for leaks.

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Bulls23337

· #3 · Feb 15, 2012

if it's new, it'll need ~500 miles to break in. there are some things inside the exhaust that need to burn off completely.

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Bpower

· #4 · Feb 15, 2012

I dont have that exhaust but I can tell that mine backfires with stock system while in those conditions you have described.

Please let me know if your factory exhaust tips start yellowing. I have noticed people with that system have that problem

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jeanlegro

· #5 · Mar 12, 2012

i say give it 1000miles and it should go away. on youtube you can find people with same problem as you.

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