90 Reviews

Race O2 Housing/Downpipe 1.4L

SKU: ZZ-CZO2H

$199.99

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The factory o2 housing on the 1.4 turbo Ecotec motor has been shown to be quite restrictive. Our 2.5" Stainless steel high-flow version has been dyno proven to produce gains of up to 8 horsepower at the wheels. This is a gain of more than 6 percent! This easy bolt-on modification re-uses the factory V-band clamp where it attaches to the turbo. Comes with everything needed to install just replacement bolts and nuts. Dec 2014: It comes with 2 o2 bungs, and a plug in case you want to add a wideband o2 sensor later. 

Note: The ZZP O2 housing does not include a catalytic converter and will set check engine light without ECU programming. 

For a complete street setup that does not require ECU programming, see our O2 housing/mid pipe combo. This part fits the 1.4 Chevy Sonic, Cruze, and Buick Encore.

We recommend replacing the v-band clamp while installing the Race O2 housing since they are a common failure point. 

Installed on Cruze sound clip

DOES NOT FIT GEN 2 CRUZE.

Verified fitment on 1.4L Turbo Vanderhall Venice. 

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The factory o2 housing on the 1.4 turbo Ecotec motor has been shown to be quite restrictive. Our 2.5" Stainless steel high-flow version has been dyno proven to produce gains of up to 8 horsepower at the wheels. This is a gain of more than 6 percent! This easy bolt-on modification re-uses the factory V-band clamp where it attaches to the turbo. Comes with everything needed to install just replacement bolts and nuts. Dec 2014: It comes with 2 o2 bungs, and a plug in case you want to add a wideband o2 sensor later. 

Note: The ZZP O2 housing does not include a catalytic converter and will set check engine light without ECU programming. 

For a complete street setup that does not require ECU programming, see our O2 housing/mid pipe combo. This part fits the 1.4 Chevy Sonic, Cruze, and Buick Encore.

We recommend replacing the v-band clamp while installing the Race O2 housing since they are a common failure point. 

Installed on Cruze sound clip

DOES NOT FIT GEN 2 CRUZE.

Verified fitment on 1.4L Turbo Vanderhall Venice. 

Customer Reviews

4.9 Based on 90 Reviews
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JO
01/01/2020
Justin O.
Canada Canada

Recently purchased downpipe

So far so good Overall, looks great. I was super stoked on how fast the shipping was It was a direct fit and didn’t take me more then 20 mins to put in Check me out on Instagram for photos the products I’ve recently purchased from zzp @jayxoh_ Awesome product

Justin Ostlund verified customer review of Race O2 Housing/Downpipe 1.4L
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RP
12/31/2019
Robert P.
United States United States

So much better

This one upgrade brought a lot of life back to a old Cruze

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JL
12/30/2019
Joel L.
United States United States

Down pipe

I haven’t installed it yet but I think it will be amazing when I add the mid pipe and a tune.

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MB
12/29/2019
Matthew B.
United States United States

Sounds good!

Now taking out the stock DP is a pain but there’s a good video on how to do it on a Cruze but it’s the same for the sonic with the exception of the heat shield. The only thing I’ve changed before on this car was an air filter and the catback. Make sure you save the gaskets and everything and start with only partially bolting in the bottom on I test all then completely assemble the top. Only the top heat shield will go back on. Took my simple self about 3 hours but it’s worth it.

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BB
12/23/2019
Bill B.
United States United States

1.4 Cruze

Beautiful looking downpipe. Well made, welds look great. Hardware included was a welcome addition. Nice increase in exhaust tone. A little more turbo noise. A good tune with this downpipe wakes these cars up quite a bit.

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