What does adding a downpipe do?

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 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.

Does downpipe increase sound?

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

How much HP does a downpipe add to a car?

Downpipe For Horsepower: Worth It? If you are installing a downpipe for the horsepower gain, then it's definitely worth it. Combined with a tune, you could see a major boost in horsepower – about 40 to 50 horsepower gains. After installing a downpipe, the exhaust flow in your car will be improved considerably.

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!)

Do I need a tune if I install a downpipe?

Registered. Less backpressure from a less restrictive downpipe = turbo builds boost faster = more air into the engine from the turbo = you absolutely need a new tune to compensate for that.

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.

Do downpipes add torque?

I experienced the same thing when I first installed my downpipe. It's almost as if the torque curve is slightly biased to higher engine speeds. After my ECU tune, it's definitely fixed, but adding a downpipe I feel has added more power/torque in the top end of the engine speed range.

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 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 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.

Does Catless downpipe add 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.

Does a downpipe increase boost?

From what I've gather by reading between the lines of everyone's feedback is that with a downpipe, sports or decatted, it's not about the overall numbers but the fact it allows a freer flowing exhaust, hence less strain on the turbo's load, with or without added boost..

How much HP does a straight pipe add?

Answer provided by. Modifying your car is a great way to make it more powerful! You'll likely gain about ten hp with a straight pipe as compared with five hp or less by just taking off your muffler. Keep in mind that putting on a straight pipe also involves adjusting your fuel injection and otherwise tuning up the car.

How much HP does 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 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.

What does a Catless downpipe 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.

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.

How much HP does a downpipe add BMW?

Apply a new high flow or catless downpipe to your BMW, and before any other action you can see an improvement of 20-25hp and 20-25lb-ft of torque. This doesn't sound like much, but it is possible to improve that further if you include a tuning, like a BootMod3 tune, for example.

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.

How much HP does a downpipe add to a GTI?

A downpipe by itself might add 20whp for $500 ($25/hp), but pair that downpipe with a proper tune and you can net nearly 100hp over stock, and 40hp over a tuned car without a downpipe.

What does a downpipe do BMW?

Downpipes used to only apply to aftermarket turbo builds for BMWs, but are now found on all modern BMW turbo engines. The downpipe attaches to the turbo and begins the exit flow of exhaust gases. This little bit of factory BMW exhaust piping leaves HUGE room for impressive power gains.