What is a downpipe on an exhaust?

An exhaust down pipe is the piece of pipe that connects the exhaust manifold, which collects and funnels all of the engine's gases into the rest of the exhaust system, and the catalytic converter, which converts the engine's harmful gases into less harmful substances.

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.

Do you need a downpipe with an exhaust?

A downpipe directs the exhaust gases from your vehicle's turbine housing into your exhaust system. The downpipe bolts right to the turbine housing. It is instrumental in moving the exhaust gases through the system as efficiently as possible.

Does a downpipe change exhaust sound?

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

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.

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

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.

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".

Will a downpipe make my car pop?

By only changing the downpipe and leave the exhaust stock, will it make louder pops and crackles? Yes.

Does a downpipe increase fuel consumption?

DOES YOUR FUEL CONSUMPTION INCREASE AFTER FITTING A DOWNPIPE TO A STD EXHAUST SYSTEM ON A GOLF 5 GTI WITHOUT ANY OTHER MODS ? YES !!! Simply because you will be revving it more to hear that lovely exhaust tone.

Are downpipes worth it?

For power, if you don't plan on tuning then don't waste your time with a downpipe. You're not going to notice much aside from throttle response and a deeper note/louder burbles. If you were going to tune then I would say a downpipe is 100% worth it. CEL can be fixed by a spacer, it does work.

Is downpipe same as headers?

The downpipes have the catalytic converters. The downpipes connect to the exhaust manifolds(headers)and run to the cat-back, or, the section of pipe which has the resonators and mufflers and tips.

Is downpipe same as straight pipe?

Straight piping a car is when you have no cats, mufflers or resonators in your system. Its just a straight pipe (hence the name) back. A downpipe is something found on turbo cars, you won't need to worry about that. The exhaust you have linked is a cat back.

How much HP do you get from a downpipe?

You get ABOUT 15 hp each from 1) Downpipes 2) Midpipe 3) Catback exhaust, totalling ~45hp.

What does a aftermarket downpipe do?

What does a downpipe do? The downpipe on your turbocharged vehicle is directing the exhaust gases out of the turbine housing into the exhaust system. An aftermarket downpipe will typically be larger in diameter and either uses a high-flowing catalytic converter or remove the catalytic converter altogether.

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 makes a turbo whistle?

What causes turbo whistle? Turbo whistle is the sound of the compressor inside the turbocharger speeding up (also known as 'spooling up', which is why it kicks in at the boost threshold (when the turbo starts to kick in) as you accelerate up the rev range.

Is turbo whistle a problem?

A "turbo whistle" usually indicates a worn and failing turbo bearing, which is pretty much all there is to go wrong with a turbo.

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.

Do naturally aspirated cars have a downpipe?

In naturally-aspirated engines, the header connects directly to the downpipe. If you plan on upgrading one of these parts, the downpipe will give you a higher power gain. However, a good header will let your engine breathe better. Both are an excellent option if you plan on upgrading the turbocharger.

Are Catless downpipes legal?

Legality. If the negative environmental and health effects weren't enough, a catless downpipe can have steep legal ramifications. In some places in the US, removing or disabling a catalytic converter is subject to a $2,750 fine. Your vehicle may also be subject to impound which can rack up additional fees.

What does Catless exhaust 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.