Does straight pipe exhaust add horsepower to motorcycle?

It depends on what you are starting with and what your motor setup is. For most typical street setups where you are running a modified engine made to be run on the street, your best performance option is usually going to be a 2 into 1 exhaust system. These systems help balance out the pressure on V-Twin applications producing the right amount of back pressure your engine needs to perform. If you are running a heavily modified engine made for racing, then a straight pipe exhaust system may be a good option. Typically, a straight pipe exhaust system will add horsepower over your average stock exhaust system.

Does exhaust pipe length affect sound?

Yes, Shorter exhaust pipes are usually much louder than longer pipes. As the sound waves travel through an exhaust pipe, the sound waves bounce off the inside of the pipe. This means the sound waves become less powerful when they run into an obstacle. The more deflection there is, the quieter the sound waves will get. The longer exhaust pipes will make the exhaust quieter and typically lower the tone of the exhaust note.

If I have problems during installation, what is the best way to get technical help?

There are few ways you can obtain help with an installation. First option is to check out the motorcycle how-to videos on our blog. We spend a lot of time and effort to create how to videos that will walk you through many of the installation procedures step-by-step. We also offer free motorcycle technical support for our customers. If you are installing a part you purchased from Lowbrow Customs, send us a message or just call us at 1-800-935-5050. We will be happy to help you through your installation process! Finally, for those of us who are a little on the non-social side, you can also text us at 1-800-935-5050. Just be sure to include all the details needed for us to help you with your issue.

What diameter exhaust piping should I use? Is bigger tubing always better?

Bigger tubing is not always better. First it will change the sound of your exhaust, wider motorcycle exhaust tubing tends to be louder but with a lower tone. If you don’t modify your bank so you can bring more air in, you don’t really get a benefit for adding more air going out. Typically, it is the best practice to stick with the same size tubing your motorcycle came with unless you are planning to are a considerable amount of displacement to your cylinders. Your engine was developed to run with the stock diameter exhaust. It’s usually best to use that diameter exhaust even if you are doing some street modifications to your bike.

What’s Lowbrow Customs' best performing pipe? Loudest?

The best performing pipe we sell depends on the bike that the pipe is being installed on. Typically, a 2 into 1 pipe will provide the best performance for most applications. If your bike has a multitude of significant engine modifications such as a big bore kit, high compression pistons or a performance Harley cam, then a straight pipe exhaust system may have a slight performance advantage. A shorter pipe will be louder than a long pipe. It is important to remember that a loud pipe does not necessarily mean better performance.

Chrome Motorcycle Exhaust Pipes

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Lowbrow Customs Shotgun Exhaust Pipes 1990-2003 Harley-Davidson Sportster XL Chrome
58 reviews $343.19

Gasbox Harley Evo Upswept Shotgun Exhaust Pipe Set for 1986-2003 Sportster Rigid Applications
3 reviews $299.99

Gasbox Upswept Exhaust Pipe Set for 1948-1965 Harley-Davidson Panhead Rigid Applications
$389.95

Gasbox Hi Lo Shotgun Exhaust Pipe Set 1986-2003 Harley-Davidson Sportsters
3 reviews $279.99

Gasbox Exhaust Pipe Set 2-into-1 1970-84 Harley Cone Shovelhead - Chrome OEM # 65435-70
11 reviews $279.99

Gasbox Upswept Shotgun Exhaust Pipe Set for 1970-1984 Harley-Davidson Shovelhead Rigid Applications
$329.95

Gasbox Hi Lo Shotgun Exhaust Pipe Set 1970-1984 Harley-Davidson Shovelhead
7 reviews $279.99

Gasbox Upswept Exhaust Pipe Set 1948-1957 Harley-Davidson Rigid Panhead - Chrome
5 reviews $199.00

V-Factor Motorcycle Parts MCM Slash Cut Drag Pipes 1986-2003 Harley-Davidson Sportster - Chrome
3 reviews $129.99

V-Factor Motorcycle Parts MCM Slash Cut Drag Pipes 1986-2006 Harley-Davidson Softail - Chrome
$129.99

British Standard Triumph TT Style Exhaust Pipes
10 reviews $352.36

Lowbrow Customs Shotgun Exhaust Pipes 2004-21 Harley-Davidson Sportster XL Chrome
39 reviews $343.19

Gasbox Upswept Exhaust Pipe Set for 1970-1984 Harley-Davidson Shovelhead Rigid Applications
$329.95

British Standard TR6C Style Exhaust Pipes for Triumph Bonneville 650 Unit or Pre-Unit - Chrome
12 reviews $255.31

V-Twin Manufacturing MCM Slash Cut Drag Pipes 1971-1984 Harley-Davidson Shovelhead - Chrome
1 review $170.14

EMGO Triumph 650cc Stock Style Header Exhaust Pipes 1963-1970 OEM # 70-5957 70-5958
12 reviews $207.65

V-Factor Motorcycle Parts MCM Slash Cut Drag Pipes 2004-2013 Harley-Davidson Sportster - Chrome
1 review $129.99

Gasbox XLR Drag Pipe Set fits 1957 - 1980 (except 1979) Harley-Davidson Sportster XL XLH XLCH XLR ModelsLR Models - Chrome OEM # 65487-59
5 reviews $249.99

Gasbox Front Exhaust Pipe 1966-1969 Harley-Davidson Shovelhead - Chrome - OEM# 65443-66
2 reviews $75.00

Gasbox Exhaust Squish Pipe 1936-1964 Harley-Davidson Big Twins
$72.50

Gasbox Front Exhaust Pipe 1948-1965 Harley-Davidson Panhead - Chrome - OEM# 65440-48
2 reviews $70.00

V-Factor Motorcycle Parts MCM Slash Cut Drag Pipes 1957-1985 Harley-Davidson Sportster (Except 1979) - Chrome
$129.99

V-Factor Motorcycle Parts MCM Slash Cut Drag Pipes 1971-1984 Harley-Davidson FX 1981-1982 FXWG - Chrome
$129.99

British Standard Triumph 1-3/4 inch Upswept Drag Exhaust Pipes - Chrome
$402.71

S&S Cycle 2 Into 1 Superstreeet Exhaust - Chrome - 2018-2022 Harley-Davidson FXBB/FXLR/FLSL/FXFB/FLDE/FLSB/FLHC/FXST
$1,575.86 $1,750.95

British Standard Superior Ram's Horn High Level Exhaust for Triumph Pre-Unit UK Made
7 reviews $379.53

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