We consider a 3x4 downspout extension to be a worthy investment in the long run. In the following post, we will help you to select the best 3x4 downspout extensions.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Flex-Drain 3X4 Downspout Extension READ REVIEW

Best For Easy Install: Buy: Zip Hinge 3X4 Downspout Extension READ REVIEW

Best For French Drains: Buy: Flex-Drain Drain Spout READ REVIEW

Best For Thick Material: Buy: Amerimax Home Products 3X4 Downspout Extension READ REVIEW

Best For Country Of Origin: Buy: Mutual Industries 3X4 Downspout Extension READ REVIEW

Best For Brand Name: Buy: Frost King 3X4 Downspout Extension READ REVIEW

Best For High Quality: Buy: Home & Outdoor Tools 3X4 Downspout Extension READ REVIEW

Best With Gutter Guard: Buy: Downspout Safety Cap 3X4 Downspout Extension READ REVIEW

Best For Good Value: Buy: Downspout Safety Cap 3X4 Downspout Extension READ REVIEW

Best For Standard Size: Buy: Eagle 1 3X4 Downspout Extension READ REVIEW

Best Overall: Flex-Drain 3X4 Downspout Extension

Buy on Amazon

The Flex-Drain 3X4 Downspout Extension is capable of outshining several other extensions featured in this list in overall features. The flex-drain 3x4 downspout extension is easy to connect, it is perfect for high quality and has a perfect design. Make sure this fits by entering your model number. In addition, the extension is manufactured in China to add to that design for superior performance.

The extension is effective, it is inexpensive and has a heavy - duty design. Finally, the flex-drain 3x4 downspout extension is highly durable and very easy to use.

Almost all buyers opine that the extension fits with standard basins, couplings, etc. And, a few also found that the extension can be extended to as much as 8' in actual use.

• This is a great extender for your downspout.
• This is great for fast shipping, is useful and it is designed for heavy duty.
• This product adds great value.
• These make couplers to attach them.

Best For Easy Install: Zip Hinge 3X4 Downspout Extension

Buy on Amazon

Not everyone likes to purchase an extension for their regular use, but the Zip Hinge 3X4 Downspout Extension would be an anomoly. The zip - hinge 3x4 downspout extension is perfect for gardening etc and it is inexpensive. In addition, it lacks the ability to divert water away from the home. Moreover, the extension fits any size downspout and it works very well.

Most importantly, the zip hinge 3x4 downspout extension is quick, is built for easy installing and it fits perfectly.

One customer says - "This product works as advertised. ". They also found that note: if the extension is too large to be held up by the hinge itself, you use the clasp which is included to lock the extension in place.

• *****read product description for quantity details*****.
• When a downspout extension is improperly fastened it compromises the whole system.
• can be painted to match your home gutter color.
• Downspouts move water out of the gutter system & away from the home’s substructure.

Best For French Drains: Flex-Drain Drain Spout

Buy on Amazon

We would, of course, be remiss if we didn't mention the Flex-Drain Drain Spout for daily use. The flex-drain drain spout is compatible with most traditional 3-inch and 4-inch corrugated pipes and 4-inch pvc. The Manufacturer says: In fact, our innovative yard drainage systems featuring expandable pipes outperform every other brand. Also, it is designed to work hard and bend easily.

The extension works perfectly and it is cheaper than Lowes. Lastly, the flex-drain drain spout is best for secure fit, does its job and it is designed for good fit.

Most customers think that the extension would be perfect with the pipes. And, they also found that the extension is expanded and working well. Moreover, a few also found that the original pieces that connected to the drainage system became uncoupled and useless after a short time. To sum up, at the price, they believe that they got a steal of a deal with it.

• This is an adapter that enables an easy hookup to the gutter system.
• This comes with great service, is perfect for heavy duty and it fits well.
• This allows for great things, is very flexible and it is priced right.
• This fits over the downspout snugly, good adapter.

Best For Thick Material: Amerimax Home Products 3X4 Downspout Extension

Buy on Amazon

The American home products 3x4 downspout extension should be able to handle its purpose and duties with ease. The American home products 3x4 downspout extension looks great, provides for easy installation and it is green. Make sure this fits by entering your model number. And, it is compatible with most traditional 3-inch and 4-inch corrugated pipes and 4-inch pvc.

The extension works perfectly and it allows for good flow. Finally, the American home products 3x4 downspoutextension makes perfect access and it is used with a rain barrel.

Almost all customers quickly discovered that the extension is easy to fit and flexible to allow alignment connection from a rectangular downspout pipe to a round plastic pipe. Moreover, a few say that the extension is quite large and might be too big for your downspout. In short, for most buyers, it was what they were looking for.

• This is used for thick material, is easy to trim and it stays in place.
• This allows for great ideas and it works OK.
• Exceeds all industry standards for strength and durability(astm).
• This is easy to use, good quality and price.

Best For Country Of Origin: Mutual Industries 3X4 Downspout Extension

Buy on Amazon

If you often find yourself scrambling for a convenient and suitable extension, Mutual Industries 3X4 Downspout Extension should be your first option for buying. Moreover, it is a little big and it is good for country of origin. Make sure this fits by entering your model number. Lastly, the mutual industries 3x4downspout extension works great and it works perfectly.

Almost all buyers quickly discovered that the extension was easy to assemble, worked well and was affordable. Moreover, they say that the extension fits 5 in the drain perfectly. And, a few strongly agree that the extension fit a 4" downspout to a 3" corrugated pipe. In conclusion, most buyers found the extension is functionally comfortable and no one questions it.

• Item package dimension: 5.09999999479799" l x 4.599999995308" w x 4.49999999541" h.
• Lot of satisfied buyers.

Best For Brand Name: Frost King 3X4 Downspout Extension

Buy on Amazon

For a low asking price, Frost king 3x4 downspout extension has managed to overwhelm their customers by packing as many features as they could. The Frost king 3x4 downspout extension works great and it is perfect for heavy duty. Easily extend your downspout from 3’ to 6’ in length with the tilt ‘n drain downspout extender. Also, this allows for very good quality, It makes for nice quality and has a sturdy design.

Most importantly, the Frost king 3x4 downspout extension is made with fast shipping, It allows for great ideas and has a perfect design.

Almost all customers found that the extension is versatile for moving water in different directions. Further, they also found that the extension is great for keeping water away from the retaining wall. Moreover, they say that the screws holding the 4 " spout in place are self tapping and can be used to attach the unit to a 3 " spout.

• This features a 5-1/2” wide channel, which directs water away from the foundation.
• This fits both 3” and 4” downspouts.
• These gutter spout extenders were very easy to install and work very well.
• This is made of strong flexible material that can easily withstand the outdoor elements.

Best For High Quality: Home & Outdoor Tools 3X4 Downspout Extension

Buy on Amazon

Home & Outdoor Tools has been making great extensions for years, thanks to a combination of clever design and appropriate materials. The Home & Outdoor Tools 3X4 Downspout Extension can be used in residential housing are 3 inches or 4 inches, with 2x3 downspouts and 3x4 downspouts. Make sure this fits by entering your model number. Moreover, the extension is made of a much thicker plastic than a lot of other types and the unique design allows it to be used with any 3-inch drain pipe.

The extension is perfect for high quality, it allows for a great fit and has a sturdy design. Further, the extension comes for easy use, it is priced right and has a smart design. Finally, the home & outdoor tools 3x4downspout extension installed with no problem, is designed for universal fit, It looks great and has a perfect design.

Most buyers found that the extension is a perfect fit for the downspout and the pipe. In addition, they say that the extension is a little pricey for a small piece of plastic but fits fine mated to schedule 40 pvc. In addition, they say that the extension will fit any type of 4 inch pipe. In conclusion, most customers call the extension suits best, and no one questions it.

• This is for a 4-inch tile drain pipe.
• Chose from white & black to compliment your gutter & drainage pipe.
• This fits into a 4" drain pipe.

Best With Gutter Guard: Downspout Safety Cap 3X4 Downspout Extension

Buy on Amazon

Compared with other extensions in this category, the Downspout Safety Cap 3X4 Downspout Extension has a convenient design. The downspout safety cap 3x4 downspoutextension is very nice, allows for peace of mind and it looks nice. Makes lifting your hinged downspouts a breeze. This product fits a standard 3 " by 4 " rain gutter downspout.

Most importantly, the downspout safety cap 3x4 downspout extension is designed with elastic to ensure a secure and snug fit.

Almost all buyers opine that the extension is easy to install and worth it if there are no injuries. Also, a few strongly agree that the extension is unobtrusive and works like a charm. In conclusion, at the price, they believe that they got a steal of a deal with it.

• The downspout safety cap improves the look of your home while protecting your family.
• Made in the USA - downspout safety caps use 100% recyclable materials.
• Protection from cuts and scratches that occur from sharp gutter downspouts.
• Be sure to measure your downspout before ordering.

Best For Good Value: Downspout Safety Cap 3X4 Downspout Extension

Buy on Amazon

Downspout Safety Cap line of extension comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Downspout Safety Cap 3X4 Downspout Extension looks good and it allows for great options. Protection from cuts and scratches that occur from sharp gutter downspouts. This product fits a standard 2 " by 3 " rain gutter downspout.

Finally, the downspout safety cap 3x4 downspout extension is designed with elastic to ensure a secure and snug fit.

Almost all customers agree that the extension is easy to use and light in weight. In addition, a few also found that the extension is designed to with some give to allow form crimps and imperfections in the downspout. In conclusion, most buyers agree that the extension suits them best, and no one questions it.

• This is recyclable and it is super easy.
• This protects downspout ends as advertised.
• This is great for peace of mind and it fits well.
• It works great, comes with great items and it is very durable.

Best For Standard Size: Eagle 1 3X4 Downspout Extension

Buy on Amazon

Eagle 1 line of extension comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Eagle 1 3X4 Downspout Extension is inexpensive and it is ideal for standard size. Make sure this fits by entering your model number. And, it is great for high quality and it works perfectly. Lastly, the eagle 1 3x4 downspout extension includes 3 free matching screws and 1 free 1/4" nut driver for the screws.

Most customers agree that the extension is perfect to extend the downspout. Further, they say that the extension can you text a picture of your downspout to 256-566. To sum up, buyers found this to be one of the best extensions for daily purposes.

• 100% aluminum material with 3 sizes to choose from. Easy to install. Paintable.
• Crimped on one end to easily join pieces together.
• Manufacturer says: We know you will like our gutter downspout extensions.
• The Manufacturer says: At eagle 1 we stand behind all of our products.