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Utilizing: Magnaflow or Catco Brand Cats. Used on 95 S14, great if you need emissions or want your car a little more quiet, enjuku ships fast and customer service great Very easy to install, great fitment, includes all hardware.
My application was an S13 SX Fitment was on point. Reviews The fit was perfect. Shop Now. View Details Choose Options. Because I figure if I were still driving my '78 , it wouldn't have one.
November edited November Nothing fancy is needed. Cheaper ones that barely convert anything are less, but more for performance applications. It's illegal to remove your cat on a car fitted with one. No exhaust shop with a licence will do it. So you are harming the environment on a dead stock car that has no gain by removing the unit. Yes Vee Que is right, it is illegal to remove it, and if by some chance you were pulled over by a police officer who wanted to look over a Volvo, your car would probably get defected.
Also - LH2. So I've had "they do collapse" and "if it ain't broke don't fix it" I'm still not sure which way to go. Is it easy to replace yourself or best done by an exhaust shop? And while I'm thinking about exhaust - is it worth putting decent extractors on an NA or just pouring money away? December You need to weld them in for non genuine. The original cat on my broke up and started rattling in and about K km. Just for a laugh I asked a Volvo dealer for a price on a new one.
So wouldn't both situations cause the O2 sensor to supply an incorrect reference voltage affecting computer output and fueling , or neither would? The o2 is before the cat, it means there will be less heat in that area because the cat is no longer restricting flow. Hm, ok - thanks.
I like to understand how things work. So removing a cat might, what No, wait - you said it would be cooler - so the sensor can't be at a lower temp if the flow is the same with or without the catcon - so what I've said above is wrong.
Ah, nvm, LOL. The purpose of a single upstream O2 sensor is to provide feedback to the engine computer so the correct fuel mixture is fed into the engine, to optimise performance and emissions. Removing the cat will not change this nor will it change the effectiveness of the O2 sensor. As stated, best bet if you are concerned is to drop the exhaust where the cat pipe connects and inspect the cat for blockage and damage.
If none, then bolt back up again and good to go. I had excessive carbon buildup on the cat in my with B21FT due to a leaky turbo seal, and it caused a lot of backpressure enemy to a turbo! When I bypassed the cat for testing purposes the performance gain was impressive.
I have tried this on cars where there was no apparent damage to the cat and it had little to no perceived performance improvement - and I wouldn't recommend it due to the legal and ethical implications. It's not worth doing on a stock non turbo car. Turbo car, fit a high flow cat yes. Get a "CAT scan" done, then you will know for sure.
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