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What downpipe is the best to buy?

 
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riverheadracer
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PostPosted: Fri Mar 09, 2012 3:08 pm    Post subject:  What downpipe is the best to buy? Reply with quote

Ok so the cat is clogged on my car and i wanted to delete the U bend anyway so what would be the best downpipe to get for a good price I looked at the magnaflow one on rock auto but almost all of the reviews are horrible so i dunno what other decent ones are out there. Also what type of O2 sensors last the longest ... Thanks guys

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chibiblacksheep
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PostPosted: Fri Mar 09, 2012 3:22 pm    Post subject:   Reply with quote

You have the 3800 right?

ZZP 2.5" Stainless Steel with Cat.

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riverheadracer
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PostPosted: Fri Mar 09, 2012 3:27 pm    Post subject:   Reply with quote

Yes i have the 3800 and where do you guys buy all your zzp parts from?

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chibiblacksheep
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PostPosted: Fri Mar 09, 2012 3:58 pm    Post subject:   Reply with quote

wait for it...

ZZPerformance.com Laughing

Under the Grand Prix section.

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Pitch Black SS
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PostPosted: Fri Mar 09, 2012 7:16 pm    Post subject:   Reply with quote

for O2 sensors, stay with Delcos. Just remember, a DP and cat MAY set a P0420 code. Its hit or miss. Its an easy fix if it does, a tuned PCM with the code deleted

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00impala123
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PostPosted: Sat Mar 10, 2012 2:10 pm    Post subject:   Reply with quote

I have a 2.5in magnaflow, had it for about 4 years no problems.

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Pitch Black SS
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PostPosted: Sat Mar 10, 2012 2:18 pm    Post subject:   Reply with quote

00impala123 wrote:
I have a 2.5in magnaflow, had it for about 4 years no problems.


Like I said, hit or miss. I had my Magnaflow on the car for a year before it threw its first code. Just like these transmissions, hit or miss. Some have issues right out of the gate, others drive for 250K miles without a single slip.

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NewbiePala04SS
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PostPosted: Sat Mar 10, 2012 4:49 pm    Post subject:   Reply with quote

Pitch Black SS wrote:
for O2 sensors, stay with Delcos. Just remember, a DP and cat MAY set a P0420 code. Its hit or miss. Its an easy fix if it does, a tuned PCM with the code deleted


I have the Check engine light now... Lol. Installed headers/downpipe/custom exhaust yesturday. Now i think the O2 sensers hate me. Ill get it scanned and figure out what codes it is.

** The ZZP Stainless Steel headers/downpipe with high flow cat and 2.5 exit then 2.5 pipe from downpipe to muffler.
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00impala123
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PostPosted: Sat Mar 10, 2012 5:45 pm    Post subject:   Reply with quote

Pitch Black SS wrote:
00impala123 wrote:
I have a 2.5in magnaflow, had it for about 4 years no problems.


Like I said, hit or miss. I had my Magnaflow on the car for a year before it threw its first code. Just like these transmissions, hit or miss. Some have issues right out of the gate, others drive for 250K miles without a single slip.


Yeah I was referring more to the downpipe itself being good quality..sensors def hit or miss, I haven't had problem with mine but I wouldn't be surprised if I had either

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Pitch Black SS
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PostPosted: Sat Mar 10, 2012 5:58 pm    Post subject:   Reply with quote

NewbiePala04SS wrote:
Pitch Black SS wrote:
for O2 sensors, stay with Delcos. Just remember, a DP and cat MAY set a P0420 code. Its hit or miss. Its an easy fix if it does, a tuned PCM with the code deleted


I have the Check engine light now... Lol. Installed headers/downpipe/custom exhaust yesturday. Now i think the O2 sensers hate me. Ill get it scanned and figure out what codes it is.

** The ZZP Stainless Steel headers/downpipe with high flow cat and 2.5 exit then 2.5 pipe from downpipe to muffler.


prob something else, the PCM you have (unless you changed it) has the P0420 deleted.

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