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Exhaust Cutout

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Flowtech 53026FLT Exhaust Cutout - Steel, Universal
Universal Fit
$106.95
Product Details
Notes : Fits 2.5 in. 3-Bolt Headers or into 2.5 in. Exhaust PipesSeries : Flowtech Race ReadiesWarranty : 90-day Flowtech warrantyAnticipated Ship Out Time : 10-11 business daysQuantity Sold : Set of 2
Flowtech 53030FLT Exhaust Cutout - Steel, Universal
Universal Fit
$80.26
Product Details
Notes : Fits 3 in. 3-Bolt Headers or into 3 in. Exhaust PipesSeries : Flowtech Race ReadiesWarranty : 90-day Flowtech warrantyAnticipated Ship Out Time : 10-11 business daysQuantity Sold : Sold individually
Flowtech 53031FLT Exhaust Cutout - Steel, Universal
Universal Fit
$119.95
Product Details
Notes : Fits 3 in. 3-Bolt Headers or into 3 in. Exhaust PipesSeries : Flowtech Race ReadiesWarranty : 90-day Flowtech warrantyAnticipated Ship Out Time : 10-11 business daysQuantity Sold : Set of 2
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Exhaust Cutout Guides

Which Type of Exhaust Cutout Should You Get?

If you're looking to transform your already impressive ride into a beast on the racetrack, then you may want to furnish it with an exhaust cutout. An exhaust cutout is basically a bypass mechanism-it allows the exhaust gases to immediately exit the system without having to go through the proper exhaust channels. This of course improves air flow, which in turn boosts engine performance.

Exhaust Cutout Placement

Basically, it's your call. Exhaust cutouts can be mounted on various areas of the exhaust system. Most exhaust cutout users place it either near the header collector or around the meeting point of the passenger's and the driver's side pipes.

Exhaust Cutout Types

There are several types of exhaust cutouts. While there are differences among them, they pretty much function in the same manner.

Manual Cutout

As you perhaps gathered, this type of cutout is the most basic kind. A manual cutout has a block-off plate that you'll have to remove every time you drive on the racetrack. Naturally, you'll have to put the plate back when you revert to driving on regular roads since cutouts can be really noisy.

Semi-Automatic Cutout

Unlike a manual cutout, you won't have to go under your car to open the block-off plate in order to free up air flow. Instead, a semi-automatic cutout employs a butterfly valve that you can control via the pull of a cable.

Electric Cutout

Just like a semi-automatic cutout, an electric cutout has a butterfly valve as well. The difference is that the valve can be operated with a simple flick of a switch instead of pulling a cable.

As said above, all types of exhaust cutouts work well. But for convenience purposes, you may want either a semi-automatic cutout or an electric cutout. However, a manual cutout is sufficient if you drive your car exclusively on a racetrack.

Cost

The price of an exhaust cutout largely depends on its type. Naturally, manual cutouts are the cheapest (there are variants that are available for as low as $30) while electric cutouts can cost more than a hundred dollars.

Boost Performance: How to Install Exhaust Cutouts

You know the rule for automotive air flow-the better it is, the better the engine performance becomes. And one of the quickest ways to improve air flow is to install an exhaust cutout. With an exhaust cutout, you can enjoy the perks of open headers without having to extensively rework your exhaust system.

In this guide, we'll tell you how to install a non-electrical exhaust cutout properly. There's no need to worry as the process isn't that difficult even if you're not a seasoned DIYer. Also, it'll only take you several minutes to turn your car from a regular performance car to one that's race-ready.

Note: You can choose to install the exhaust cutout in various points of the exhaust system. In this guide, we'll be placing it near the header collectors.

Difficulty level: Moderate

Tools:
  • Car lift
  • Welding tool
  • Wrench
  • Marker/Chalk
  • Tail pipe cutter

Step 1: Raise your car with a lift.

Step 2: Grab your welding tool and weld the header collector ring into the cutout. If you're having difficulty in placing the cutouts in your desired location due to clearance issues, you can add pipe extenders to remedy that.

Step 3: Now, take your wrench and use it to remove the bolts of the tail pipe. Set the pipe aside for the meantime.

Step 4: Connect the exhaust cutout to the header collectors. Its manner of attachment to the header collectors is the same as that of a regular tail pipe, thus there shouldn't be any problems here.

Step 5: Get the tail pipe that you removed earlier and measure it against the exhaust cutout. That should give you an idea where to cut the tail pipe. Mark the spot where you'll be cutting pipe afterwards. This is very crucial, so make sure that your measurement is correct.

Step 6: Cut the tail pipe based on your measurement. Remember, it's better to undercut than to overcut since cutting is much easier than adding extra metal.

Step 7: Once your tail pipe has been cut properly, it's time to attach it to the end of the exhaust cutout. Hopefully, you have someone to assist you since you're going to need his help. Have your assistant hold both the tail pipe and the exhaust cutout while you weld them together. Be sure to weld the two completely to avoid leaks. Bring your car back to the ground once you're done.

Congratulations on your exhaust cutout installation! Remove the block-off plates whenever you require the use of your exhaust cutout.

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