LHU Regal o2 Housing/Downpipe Package

14

ZZ-LHUO2HP-X $299.99
Model
Catalytic Converter Option
Regular price $299.99

This will replace your factory o2 housing and downpipe with our high flow ZZPerformance package. It is made of stainless steel so it will outlast the car. The ZZP unit is two pieces just like the factory parts and they are joined by a 3" VBand clamp assembly. This package can come with or without a high flow Spun metal catalytic converter. If it is ordered without a cat, it is intended for an off-road vehicle. This package will bolt up to the stock turbo and cat back exhaust with no modifications needed.

The gains are hard to measure because the Regal adjusts its boost by the amount of airflow the MAF sensor is seeing. So as you add mods the car sees the added airflow and reduces your boost to bring the power back down. So we included a dyno sheet to show the gains. Our o2 Housing/Downpipe package, ZZP/Trifecta tune, and ZZP high flow intake tube bring the average HP and torque gains of 70 whp and 70 ft lbs of torque across the entire pull which is huge power gains! The peak gains of this package were 89 whp and 77 ft lbs over stock!


Please make sure to select the correct model because the GS has different hanger locations and a larger outlet flange.


 


Please note: the factory o2 housing uses a ring style gasket. that is left out when installing this product. you can use a small amount of red high heat RTV at the turbo to o2 housing connection.


Fits 2011-2013 Regal 2.0T

This will replace your factory o2 housing and downpipe with our high flow ZZPerformance package. It is made of stainless steel so it will outlast the car. The ZZP unit is two pieces just like the factory parts and they are joined by a 3" VBand clamp assembly. This package can come with or without a high flow Spun metal catalytic converter. If it is ordered without a cat, it is intended for an off-road vehicle. This package will bolt up to the stock turbo and cat back exhaust with no modifications needed.

The gains are hard to measure because the Regal adjusts its boost by the amount of airflow the MAF sensor is seeing. So as you add mods the car sees the added airflow and reduces your boost to bring the power back down. So we included a dyno sheet to show the gains. Our o2 Housing/Downpipe package, ZZP/Trifecta tune, and ZZP high flow intake tube bring the average HP and torque gains of 70 whp and 70 ft lbs of torque across the entire pull which is huge power gains! The peak gains of this package were 89 whp and 77 ft lbs over stock!


Please make sure to select the correct model because the GS has different hanger locations and a larger outlet flange.


 


Please note: the factory o2 housing uses a ring style gasket. that is left out when installing this product. you can use a small amount of red high heat RTV at the turbo to o2 housing connection.


Fits 2011-2013 Regal 2.0T

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Ecotec

Customer Reviews

4.8 Based on 14 reviews
5 ★
86% 
12
4 ★
7% 
1
3 ★
7% 
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AG
05/06/2018
Arnold G.

Pretty good quality You can

Pretty good quality You can tell difference perfect buy

DV
03/18/2018
David V.

Lhu downpipe

It offers a good increase in flow over stock down pipe nice upgrade

SO
01/18/2018
Sean O.

Excellent product

Easy install, nice welds, adds some good sound. Great performance gain over the factory setup.

JS
01/10/2018
Joshua S.

Love the sound

The stock downpipe and midpipe come off with ease (I used BP Blaster from the beginning). My suggestions is to connect the midpipe and downpipe with the V-Band PRIOR to install, it will make the install much quicker. My only concerns were the diameter difference between the ZZP midpipe and the remaining stock exhaust and the fact that my hanger on the ZZP midpipe was about a 1/4 of an inch off. Other than that the install was simple and switching between the two exhaust systems (zzp to stock) only takes about 1.5 hours from wheels up to wheels down

EF
10/02/2017
Ethan F.

Fantastic Quality

Getting the stock Cat out was a huge pain, after getting the new one put in, it bolted right on as promised, and sounds amazing! Definitely buying more parts, thanks ZZP!