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### Descrição do Produto
O Dorman 673-439 Manifold Converter é a solução ideal para quem busca um conversor de manifold que combine desempenho e conformidade com as normas CARB, especialmente projetado para modelos selecionados da Honda. Este conversor é um substituto direto, desenvolvido para corresponder ao encaixe e à performance do equipamento original, garantindo que seu veículo mantenha a eficiência e a potência esperadas.
Este kit conveniente inclui gaxetas e hardware para o downpipe, simplificando o processo de instalação e tornando-o acessível mesmo para aqueles que não são mecânicos experientes. A construção durável do Dorman 673-439 é fabricada dentro de tolerâncias rigorosas, assegurando uma longevidade confiável e um desempenho consistente ao longo do tempo.
Com um valor confiável, este produto é respaldado por uma equipe de engenheiros e especialistas em controle de qualidade nos Estados Unidos, garantindo que cada unidade atenda aos mais altos padrões de qualidade. Para garantir que esta peça se encaixe perfeitamente em seu veículo, basta inserir a marca, modelo e nível de acabamento no nosso ferramenta de garagem.
### Instruções de Uso:
Para utilizar o Dorman 673-439 Manifold Converter, siga os passos abaixo:
1. Preparação do Veículo: Desconecte a bateria e levante o veículo em um local seguro.
2. Remoção do Conversor Antigo: Utilize ferramentas adequadas para remover o conversor de manifold antigo, desconectando cuidadosamente as gaxetas e o hardware do downpipe.
3. Instalação do Novo Conversor: Coloque o Dorman 673-439 no lugar do conversor antigo, utilizando as gaxetas e o hardware incluídos no kit. Certifique-se de que todas as conexões estejam firmes e seguras.
4. Verificação: Após a instalação, verifique se não há vazamentos e se todas as conexões estão bem ajustadas.
5. Teste do Veículo: Reconecte a bateria e ligue o veículo para garantir que o novo conversor esteja funcionando corretamente.
### Características do Produto
– Compatibilidade: Projetado especificamente para modelos selecionados da Honda, garantindo um encaixe perfeito.
– Material de Alta Qualidade: Fabricado com materiais resistentes à corrosão e ao desgaste, aumentando a durabilidade.
– Conformidade com CARB: Atende às normas de emissões da Califórnia, contribuindo para um ambiente mais limpo.
– Instalação Simplificada: Inclui todas as gaxetas e hardware necessários, reduzindo o tempo e o esforço de instalação.
– Controle de Qualidade Rigoroso: Cada unidade passa por testes rigorosos para garantir desempenho e confiabilidade.
### Perguntas Frequentes (FAQ)
Pergunta: O Dorman 673-439 é compatível com meu modelo de Honda?
Resposta: Para garantir a compatibilidade, insira a marca, modelo e nível de acabamento do seu veículo na ferramenta de garagem disponível em nosso site.
Pergunta: O que está incluído no kit de instalação?
Resposta: O kit inclui o conversor de manifold, gaxetas e hardware para o downpipe, facilitando a instalação.
Pergunta: Qual é a durabilidade esperada deste produto?
Resposta: O Dorman 673-439 é fabricado com materiais de alta qualidade e dentro de tolerâncias rigorosas, proporcionando uma longa vida útil sob condições normais de uso.
Pergunta: Posso instalar o Dorman 673-439 eu mesmo?
Resposta: Sim, o kit é projetado para uma instalação simplificada, mas recomenda-se ter conhecimentos básicos de mecânica para garantir uma instalação correta.
Pergunta: O Dorman 673-439 atende às normas de emissões?
Resposta: Sim, este conversor de manifold é conforme as normas CARB, tornando-o uma escolha responsável para veículos que precisam atender a regulamentos de emissões.
John Blain –
Pros:
1. Price. I’m unfortunate enough to own a 2000 Honda Civic designed to California emissions standards, which requires a more expensive catalytic converter.
2. As a “direct fit”, it’s pretty dead on. Be aware that heat causes brackets to deform over time so the lower mounting bracket may require some negotiating and bending.
3. Apparently the manufacturer guarantees the kit.
4. Although the assembly is bolted together, it appears to do an adequate enough job of keeping exhaust in.
5. This converter is to spec. My CEL for code P0420 has shut off and stayed off and I passed emissions.
Cons:
Mostly moot points:
1. It comes with the wrong instructions. The instructions do include torque specs for bolting the manifold to the converter and it tells you bolt size and pitch. If you know what you’re doing, you don’t need the instructions.
2. Not all hardware is included. Replacement gaskets are included; however, it does not come with replacement flange bolts, flange nuts, or manifold studs. There is a good chance the flange bolts on the top pipe and flange nuts on the manifold studs will be destroyed in the process of removing them (mine were).
3. The instructions do not warn of smoking, which is apparently harmless but unnerving if you’re not expecting it. Apparently the converter is coated in a protective film that, after installation, will burn off and takes a few days to completely burn away.
Fit guy –
If you live in California like I do you know that it is now mandatory to have a catalytic converter/ exhaust manifold that has a CARB approved stamp on it. Internally a CARB approved exhaust is no different than the 49 state universal exhaust. The difference is the manufacture is “allowed” to put on stamp on the manifold that says it is California approved. This means the manufacture had to pay a large fee to have the manifold design tested and approved. The higher price that we pay are the approval fees past down to us. Gone are the days of installing universal catalytic converters since the state loves this source of revenue.Thankfully this catalytic converter isn’t as high priced compared to some other brands that have the Carb EO#, executive order number, on it.
The Carb EO# is etched onto a plate right in the front of the heat shield. The Amazon stock photo doesn’t show it but I have added a photo to show you the location. Please excuse the poor picture quality I used my phone’s camera with dirty hands the day of installation. As you can also see in my images it comes with all of the gaskets needed to do the installation from start to finish. These include the exhaust manifold gasket, manifold to catalytic gasket, and down pipe doughnut gasket. The kit comes with bolts to attach the upper part of the manifold to the catalytic itself, it is not one piece as it appears in the picture. It also comes with the bolts to attach the upper heat shield to the manifold. Finally it has standard bolts to attach the catalytic portion to you car’s existing down pipe.
Some other posters have given this kit a lower rating because this does not come with the exhaust manifold studs or because they broke their studs in the process of removing their existing manifold. Those studs will never come with an exhaust kit nor will it be included if you bought the part from the dealer. If you break those studs, or the dealer does, you would be charged extra for it. I highly recommend buying them separately and changing them out. This is a precautionary step but chances of them breaking during your installation is high. These studs get brittle with years of the engines heat and can snap when you apply torque.
To put the manifold together you will need a standard set of wrenches since it was made in the USA. You will also need a flare nut wrench to remove your oxygen sensors. My sensor was a Metric #19 however the sensor had been changed in the past and may not be the same size as yours. You will also need a ratcheting box end wrench #12 to remove two of the nuts that are impossible to reach with any other wrench or extension set you may now have. These nuts are located in between the first and fourth exhaust port with an opening that will give you very limited movement. Buy a can of PB blaster, do not use WD40. PB Blaster is made specifically to penetrate the threads of hard to remove nuts or rusted bolts. Without PB blaster you may find yourself angry because you cannot get a nut to budge or break the stud applying too much pressure. Lastly, make sure to apply anti-seize on you oxygen sensor threads when you put them back on. Without anti-seize the oxygen sensor will be nearly impossible to remove in the future without damaging the catalytic converter.
I love Honda’s but I hate arbitrary California laws. My old catalytic worked flawlessly and passed the sniffer test but since my car had a universal manifold from the previous owner I could not pass smog visually. I highly recommend this kit. You will not receive any performance gains but I instantly passed smog as the referee did look for the Carb EO# on it.
Fit guy –
In short, I had quite a few issues getting a proper one, but Dorman was awesome in resolving the issues. It installed easily and so far so good. I didn’t need a smog check so I can’t speak to its ability to pass smog yet. I didn’t need it ASAP or anything, so all the delays were not a big deal to me. If you’re up against the smog clock, then you might run into trouble.
I got it for a steal, the lowest price shown on Camel. But even at the highest price, it is still cheaper than OEM which will crack within a few years.
I’ll be sure to update if it does terribly on smog checks or fails on me.
My current OEM (not the factory installed one) one was cracked as they all do and it had exhaust coming into the cabin, though it still passed smog with flying colors.
Several reviews mentioned the random metal small circular gasket in the kit. I even asked Dorman about this gasket, but they didn’t answer two different times. When you have the car apart you’ll realize where it goes. The “exhaust pipe A” which connects to bottom of converter and goes under engine and oil pan receives this gasket. Where Pipe A connects to converter you’ll see a small metal circular gasket. It does fit loose and sloppy (possibly tightening up after installation) so I probably should have left my existing one there. The old one needed to be pried out with a screwdriver.
I know the instructions said sometimes parts are hidden in the box. I couldn’t find a gasket connecting the manifold to the converter, but Dorman set me straight. It’s hidden in the flaps inside the box, I guess to protect it. I had to fold the flaps down to find it.
First problem with the Dorman unit was an absolutely mangled gasket for the head-to-exhaust-manifold. Dorman said they would send one right away, they didn’t. They ended up just sending me a whole new kit from Amazon, which I thought was wasteful but as you’ll see later was actually needed. I did eventually get the needed gasket from Dorman about 2 weeks later. But the second kit from Amazon had a slightly damaged but still usable gasket.
The second problem is the 4 bolts on the converter portion. The first attempted install had to be scrubbed. They send it with the bolts pre-installed into the converter portion. I used a socket wrench to remove them. It was difficult to remove for no good reason (cross-threaded I guess). I got the first one out. Started on second and same issue, so I switched to my impact. That one broke, the next two came out though they put up a fight. I didn’t feel like drilling it out or removing it so I moved on to the next kit they sent me. I used only the impact on that one and two of four bolts broke. So, 0-2 on the Dorman kits.
This time I asked Amazon to send a third one. The site said it would be delayed over a month, so I contacted Dorman to do something sooner. Somehow, Amazon updated me the next day that they did have one. This one was perfect. Good gaskets, bolts removed easily as they should (used my impact but didn’t need it). It installed and fit properly and it’s been great ever since.
Curiously, the first two kits that failed had a sticker saying they were CARB-compliant and another bright orange sticker saying “ATTENTION! Not for use on vehicles equipped with California emissions.” Clearly contradictory. Dorman assured me it was good for CARB and the labels on the CAT itself corroborated that. I guess QC was bad on the first batch. The third kit, which worked and had no cross-threaded bolts, didn’t have that bright orange sticker and a had different inspector’s name.
All in all, a good buy.