350Z / G35 High Flow Metallic Catalytic Converters (DE MODELS)
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    350Z / G35 High Flow Metallic Catalytic Converters (DE MODELS)
    350Z / G35 High Flow Metallic Catalytic Converters (DE MODELS)
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    350Z / G35 High Flow Metallic Catalytic Converters (DE MODELS)
    350Z / G35 High Flow Metallic Catalytic Converters (DE MODELS)

    Product Description

    Berk High Flow Catalytic Converters are fully constructed of stainless steel piping with a high flowing metallic substrate. spun core. The Stainless Steel cores are high heat resistant and offer excellent flow characteristics.

    Berk High Flow Catalytic Converters are EPA approved and 49 state legal.

    Each set includes:

    • (1) Set of VQ35DE High Flow Catalytic Converters 
    • (10) Bolts, Nuts and Washers
    • (2) 2 Bolt Rear Exhaust Gaskets

    We recommend reusing the factory 3 Bolt Header Gasket or purchase new HERE.  

    Fits:

    • 2003-2006 350Z
    • 2003-2006 G35 Sedan
    • 2003-2007 G35 Coupe

    Optional:

    One roll of Z1 Heat Wrap can be included at a discount rate using the options below. Z1 Exhaust Wrap is ideal for wrapping test pipes, high flow cats, or any other radiant heat sources under hood or under the car. Includes 4 14'' stainless steel ties.

     

     

    350Z / G35 High Flow Metallic Catalytic Converters (DE MODELS)

    Fits models: ...
    350Z / G35 High Flow Metallic Catalytic Converters (DE MODELS)
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    $529.99

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    350Z / G35 High Flow Metallic Catalytic Converters (DE MODELS)
    $529.99
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    What our customers say

    starstarstarstarstar
    April 3, 2024
    Easy installation. New hardware came with item. Sounds more clean. Feels like my torque went up.
    starstarstarstarstar
    December 5, 2023
    Great quality cats and super fast shipping to Australia! From the welds to the packaging and included hardware. Everything just lined up and made it easy for a DIY installation. I noticed that it changed the note of my exhaust (HKS Hi Power) a little bit by giving it a bit more grumble which I liked. Performance wise, I can't really tell yet but the butt dyno tells me that it does feel somewhat more responsive.
    starstarstarstarstar
    August 27, 2023
    It fits perfectly and I notice a performance difference
    starstarstarstarstar
    February 26, 2023
    Works as expected. Perfect fit.
    starstarstarstarstar_border
    April 29, 2022
    You'll pass emissions with these for several years but they degrade over time and no matter what you do, they'll start to throw a cat efficiency code. Otherwise, decent pieces.
    starstarstarstar_borderstar_border
    January 14, 2022
    Nice exterior finish work, and massive internal diameter, but you WILL pop a 1273 or 1283 code. This can be minimized by installing an O2 extender, but it will not eliminate the issue. ALSO, the right cat rattled from day one. The honeycomb substrate will ultimately detach on HFCs, but I had not anticipated they would be defective from day one. Interestingly, I see that Z1 has redesigned them, and I bought the end of their first batch. Coincidence? I think not. Regardless, they work well, and I have (almost) gotten used to the rattle between 4200-4700RPM.
    starstarstarstarstar
    July 26, 2021
    Once you remove the OEM one and put these trumpets on. Power is released and you get a beautiful Symphony. Thanks z1.
    starstarstarstarstar
    May 12, 2021
    Work great, sound amazing
    starstar_borderstar_borderstar_borderstar_border
    April 29, 2021
    Had them for a month. I believe my cats overheated & I need to buy another set. Car sounds old
    starstarstarstarstar
    March 26, 2021
    Awesome product!! These were purchased and installed with my Z1 HFC. Awesome Sound and Breathability!!
    starstarstarstarstar
    March 26, 2021
    Quality and fit is faultless. Supplied with 4 gaskets not just the 2 pictured. Unfortunately my EML light came on after a few days of fitting. Aside from this I am very happy.
    starstar_borderstar_borderstar_borderstar_border
    March 25, 2021
    Purchased these with high hopes and for 6 months they delivered, however with less than 6,000 miles on them a weld cracked and I have been left with a P2A03 code that cannot be remedied as Z1 will not assist in any type of exchange. Would not recommend this product.
    starstarstarstarstar
    March 6, 2021
    Works as intended. Passed emissions test. Only complaint is that the image depicts one set of gaskets but actually comes with all four. So I purchased the other set and now, I have extra gaskets. Otherwise, very pleased with the product.
    starstarstarstarstar
    February 10, 2021
    Awesome! Just what i was looking for and the installation was really easy, fits perfectly.
    starstarstarstarstar
    February 9, 2021
    Amazing gave my car a way deeper tone and I love it
    starstarstarstarstar
    February 9, 2021
    Provide a great alternative to OEM Cats, but check to make sure that your vehicle will still pass emissions testing.
    starstarstarstarstar
    February 8, 2021
    MORE POWER BABY!! Exhaust sounding more louder and gains of at least 5hp.
    starstarstarstarstar
    November 27, 2020
    Purchased these to replace my ART pipes to pass emissions and was eliminate some of the foul odors resulting from said test pipes. Works as promised and fit no problem. My car had previously a CEL from the test pipes and after installation and ecu reset, the CEL came back even after the HFC's were installed. Not sure if the HFC's are to blame for that yet so I'll refrain from speculating. Overall, excellent quality product for an excellent price, would highly recommend.
    starstarstarstarstar
    February 10, 2020
    Fits and sounds great on my 06 g35x. Gives my exhaust a deeper aggressive growl. NO CEL. Nuts on the stock cats took 2 days to get off so if u plan on diy, then give yourself a little time.
    starstarstarstarstar
    August 24, 2018
    I'm not sure what else to say about these other than they are the greatest damn HFCs ever, absolutely no check engine light and made my G sound like an absolute savage when I put my foot down. I get asked everywhere what type of exhaust I have to make it sound the way it does. Good ole Z1 Motorsports. Also I've had them for a while now with 0 issues, so thanks for making awesome products.
    starstarstarstarstar
    April 3, 2018
    These HFC make a notable difference away from my stock cats. Sound and Performance, slight more deep tone on start up and feel the car more free flowing on highway. Great quality and lightweight. No CEL light w / my oem oxygen sensors
    starstarstarstarstar_border
    March 4, 2018
    I bought these to replace the Manzo Test Pipes, because I got tired of such a strong exhaust odor. They bolted right up, with only one fitment issue, the drive side 02 sensor wiring no long can sit inside the bracket anymore but the passenger side had no issues. They are also noticeably quieter than the test pipes and theres no more crazy rasp. Overall 9/10, so far.
    starstarstarstarstar
    June 18, 2017
    The fit on these is perfect and thus far no cel without a tune.
    starstarstarstarstar_border
    July 14, 2012
    I actually bought these for my 2005 FX35 and they fit but because my car is AWD the shop had to make the right cat a little down because of the Y pipe hitting the upper frame .....anyway I love the cats and the sound is very deep and beautiful .