Are downpipes worth it?

they are worth it because they are more free flowing and will give you some power gains, but nothing near catless. +1 IMO, if you are going to do it, go catless. If it's really a concern, they are still worth it but catless is the way to go. Going catless is illegal here so I'll be looking at catted downpipes also.

Does downpipe increase horsepower?

Conclusion. Upgraded downpipes provide great increases in horsepower and torque on turbocharged vehicles by allowing exhaust gasses to flow easier as they leave the turbo. Paired with the appropriate software, a downpipe can provide significant gains and make a vehicle more fun and engaging to drive.

Is a downpipe necessary?

A downpipe is put in place because it allows the turbo aspect of the engine to be more effective. The downpipe steers gases away from the turbine, creating more uninterrupted power. When you get out on a straightaway and open up your Mercedes, or a similar vehicle, you'll feel the difference.

Does downpipe hurt engine?

Downpipe does not damage engine. But it can affect failing emmisions (especially smog) in some states, to solve that, you need to play around with o2 sensors. If you JUST run downpipe with either stock or stage 1, you will get a CEL, if you flash stage 2, it goes away.

Does downpipe make car louder?

Downpipes (catless) will make the exhaust sound more aggressive and deep.

5 Things you NEED to know BEFORE buying a DOWNPIPE (F30 BMW, WRX, EVO, Supra, and any Turbo Car!)

Does a downpipe make your car pop?

By only changing the downpipe and leave the exhaust stock, will it make louder pops and crackles? Yes. That's the way mine is and it's louder.

Is a Catless downpipe bad?

Aside from not making any additional power over a high flow catted downpipe, a catless downpipe is bad for the environment and can also be bad for you, your community, and your engine.

How much HP can a downpipe make?

It's generally accepted that installing a downpipe will add just 10 to 20 horsepower, but that gain is noticeable when the engine is revved up.

Are downpipes legal?

To answer the OP's original question, there is no such thing as a high flow cat or de-catted down pipe that is CA legal.

Does a downpipe void warranty?

Well-Known Member. It should not void any part of your warranty, but a dealership may void it anyway. As Mark said above, it is probably not worth the fight once it has been denied, even if you are in the right.

Do you need downpipes for turbo?

If your vehicle is equipped with a turbocharger, a downpipe may be part of your solution. The downpipe bolts directly to the turbine housing and helps direct exhaust gases through the rest of the exhaust system. Most factory downpipes will have at least one very restrictive catalytic converter.

Are downpipes legal in UK?

Yes, decat pipes are legal in the UK as the rules for emission control and catalytic converters are set by the Driver and Vehicle Licensing Agency or DVLA, and not the police. Meaning there are no rules and regulations that outlaw decat pipes.

Are downpipes only for turbo cars?

A downpipe IS for turbo cars, but for all practical purposes we still call our n/a frontpipes "downpipes".

Does downpipe add torque?

This enables the movement of more exhaust gases at a higher speed, allowing your turbo to spin quicker. In addition to the increased responsiveness of your turbo, you can expect an increase of 15-20 horsepower and torque. Hence, an Armytrix downpipe allows more and easier access of air into your engine.

Does a Catted downpipe need a tune?

The stock parts are more than adequate for the stock tune. You will not see any added power with just changing out the stock parts without tuning, hell you'll probably lose power installing an intake without tuning for it. It's not pointless to put on a catless downpipe.

Does Catless downpipe give more power?

An aftermarket downpipe (MATOLA Performance Downpipe) usually larger in diameter and it either use a catted or catless configurations. Which able to create more power to your vehicle because it with high flow unit which allowed the turbo move gases away from the turbine more efficiently.

Do downpipes make check engine light come on?

Yes, it'll come on. You can use a tune or a simulator. I use mini cat to keep cel light off until I'm ready for a tune.

What do Catless downpipes smell like?

Its not so noticeable if you're driving outside, but if the car is stationary with engine on and you have tailwind, you will feel it also. Guys selling catless downpipes will tell you that it smells like flowers, racetrack etc, but I suggest borrow catless n20 car and decide yourself after 2-3 days of usage.

Will a Catted downpipe pass emissions?

There are ZERO benefits to a catted downpipe since you won't pass emissions with either (unless you use x-kitty).

How much HP will full exhaust add?

Everything that comes before the muffler, where the pressure is greatest and performance potential is highest, will remain tight and congested. MagnaFlow, an aftermarket exhaust manufacturer, says that its customers can expect horsepower gains of around 10 percent (which is a pretty commonly-quoted figure).

Is a downpipe a Decat?

Registered. A downpipe and decat are the same except the decat downpipe has no cats in it, I'd say you will need tuning if you go for decat, all my past experience tells me downpipe decats alter the back pressure the most out of any exhaust mod, plus you will get CEL which will need to be deleted by Jb4.

Should I go Catless or high flow?

Performance Difference

While high-flow is a significant improvement to OEM, it still does not match catless. For people looking to aggressively tune their N55, we recommend catless. If you are just trying to send it with an intake/tune/downpipes, then a high-flow option should suffice.

Should I go Catless?

Going catless has the benefits of eliminating restrictions in your exhaust + reduces back pressure on the engine to allow for more airflow, thus more power. Eliminating the cats will also have the added benefits of reducing weight, and therefore incremental performance gains.

Is Catless louder than Catted?

How much louder are catless headers from catted? Both are significantly louder. The high flow cats available for most headers don't go a lot for volume, but control rasp some.

How do I make my car spit flames?

All you have to do is tell the car not to cut fuel at high revs with a closed throttle - fuel will continue to be pumped into the engine, but when it isn't ignited it'll make a break for the exhaust. And we all know what happens then. Yep, flames.