Headers/Cat/Catback questions

[JayVee]

Just wanted some quick questions answered before i start putting money into my current list to do .

Im going this route , dc header > yonaka cat > yonaka catback .

1. http://www.dcsports.com/mobile_4-1header1/AHC6606_Acura.html <--- doesnt list inlet size .

2. 4-1 vs 4-2-1 applications , i know 4-1 has higher top gain and the other is mid range . Which would go for ? Im leaning on 4-2-1 since im not racing or nothin .

3. Yonaka cat choosing for price , anybody got feedback on it or words of advise on other highflow cats ?

4. Yonaka catback again inlet size .

appreciate the help still browsing for answers online but would dig the help from members thanks .

Sent from my Integra.

 

[cvcrcr99]

If the DC header is CARB approved, I would assume it will neck down to fit the stock cat. I would tell you to go with a different manifold if you ask me.

No personal experiences Yonaka. IMO, I would suggest saving up for something better/higher quality unless the exhaust you have is falling off the car and this is all you can afford. You get what you pay for.

 

[zack11122]

Yonaka resonators crack. I wouldnt.

 

[Swerve]

Dc header fits to stock cat, 4 2 1 is your best best for dailying, especially if you're lowered, MagnaFlow makes nice high flow cats and they're obviously a reputable brand. yonaka is not a very high quality catback

 

[Accel.speed]

Have had my yonaka catback since it first came out. No problems at all and I still love it.

 

[Murphy]

The yonaka cat is not a bolt on. I have a Megan header and a yonaka cat back bolted onto the stock cat. I only replaced my exhaust because my old system rusted in half. I just sprayed flame proof clear coat on all the welds to prevent them from rusting.

If I was to do it again I would do Yonaka header and the 2.5" cat and get a custom manaflow exhaust welded together at a muffler shop.

 

[JayVee]

If the DC header is CARB approved, I would assume it will neck down to fit the stock cat. I would tell you to go with a different manifold if you ask me.

Okay thanks , stock diameter is what 2" ?

Yonaka resonators crack. I wouldnt.

Okay thanks for that .

Dc header fits to stock cat, 4 2 1 is your best best for dailying, especially if you're lowered, MagnaFlow makes nice high flow cats and they're obviously a reputable brand. yonaka is not a very high quality catback

Thanks man yeah i just dont really see a need for high end hp since its just a dd . Ill check out magnaflow thanks again . Oh and im just not ballin enough for an apexi ws2 catback . Love the sounds they make .

Have had my yonaka catback since it first came out. No problems at all and I still love it.

Thanks for the feedback !

The yonaka cat is not a bolt on. I have a Megan header and a yonaka cat back bolted onto the stock cat. I only replaced my exhaust because my old system rusted in half. I just sprayed flame proof clear coat on all the welds to prevent them from rusting.

Thanks , yeah i just want optimal breathing and since they crack now I'll look into more brand worthy ones .

Sent from my Integra.

 

[JayVee]

Didnt wanna start up a new thread but finally got all three . Headers and cat welded . Cat seems to be flanged with spring bolts . ill need a donut gasket and flanges with spring bolts for the header but can a muffler shop supply these or should i hitup like a napa then hit the shop ?

Sent from my Integra.

 

[slowtec]

Didnt wanna start up a new thread but finally got all three . Headers and cat welded . Cat seems to be flanged with spring bolts . ill need a donut gasket and flanges with spring bolts for the header but can a muffler shop supply these or should i hitup like a napa then hit the shop ?

Sent from my Integra.

What parts did you end up going with?

 

[JayVee]

What parts did you end up going with?

Dc 4-1 , magnaflow 2 1/4 cat , yonaka catback .

But again does anyone or yourself know if the shop supplies these or will i need to hit up the dealer ?

Sent from my Integra.