Astro Pneumatic Tool 78835 Exhaust Pipe Stretcher Kit, Metallic : �鶹��.ca: Automotive

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Astro Pneumatic Tool 78835 Exhaust Pipe Stretcher Kit, Metallic

Brand: Astro Pneumatic Tool

459 ratings

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Material	Alloy Steel
Brand	Astro Pneumatic Tool
Item dimensions L x W x H	39 x 28.5 x 9 Centimetres
Colour	Metallic
Style	Clamp

About this item

Impact driven Heavy-Duty expander allows for fitting smaller exhaust piping and making exhaust seals
28mm size bolt head drives the tool and collet sets to expand pipes from 1-5/8" to 4-1/4"
Apply included grease to threads before use, impact wrenches rated for 800 ft-lbs tightening and above recommended to do most jobs
Includes: Steel expander 1 5/8" - 2" Collet Steel expander 2" - 2 1/2" Collet 2 3/8"- 2 3/4" Collet 2 3/4" - 3 1/8" Collet 3 1/8" - 3 1/2" Collet 3 1/2" - 3 7/8" Collet 3 7/8" - 4 1/4" Collet
Collets measure 2" in length

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This item: Astro Pneumatic Tool 78835 Exhaust Pipe Stretcher Kit, Metallic

$169.67

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Technical Details

Manufacturer	‎Astro Tools
Place of Business	‎South El Monte, CA 91733, US
Part Number	‎78835
Product Dimensions	‎38.99 x 28.5 x 8.99 cm; 4.74 kg
Item model number	‎78835
Colour	‎Metallic
Style	‎Clamp
Material	‎Alloy Steel
Pattern	‎Stretcher Kit
Item Package Quantity	‎1
Measurement System	‎Metric
Included Components	‎Exhaust Pipe Stretcher Kit
Batteries Included?	‎No
Batteries Required?	‎No
Item Weight	‎4.74 kg
Country of origin	‎China

Additional Information

ASIN	B01JBICBJ4
Customer Reviews	459 ratings 4.5 out of 5 stars
�鶹�� Rank	#18,198 in Automotive (See Top 100 in Automotive) #15 in Engine Exhaust Tools
Date First Available	Feb. 21 2019

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Product description

Never compromised on quality, fully equipped with state-of-the-art technology - Designed with the user optimal experience in mind. International Renown, constantly modernizing powerful devices to meet the demands of the modern user.

Top Brand: Astro Pneumatic Tool

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Customer reviews

459 global ratings

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Customers say

Customers like the quality, functionality, and ease of use of the hardware clamp vise. They mention it's a solid tool that works well and makes it easy to make connections.

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Quality Functionality Ease of use

11 customers mention "Quality"8 positive3 negative

Customers like the quality of the hardware clamp vise. They mention it's a solid tool and a great brand.

"...Had it done in no time! Quality tool." Read more

"High quality and easy to use. All products from this brand are made for industry service. Would buy again" Read more

"Bearing broke first use. Didn’t even complete the job. Doesn’t even say Astro on the box but say Vevor…" Read more

"Good product but needs a more durable bearing. Works as intended" Read more

5 customers mention "Functionality"5 positive0 negative

Customers are satisfied with the functionality of the hardware clamp vise. They mention it works well and is a solid tool with no issues.

"Works well but haven’t used it much so far." Read more

"Used this on 3inch ss magnaflow exhaust. Worked well. Be patient and use the grease. Remember this also will need a strong impact or pneumatic gun." Read more

"...They did the job perfectly. I recommend this product." Read more

"Works like a champ!..." Read more

3 customers mention "Ease of use"3 positive0 negative

Customers like the ease of use of the hardware clamp vise. They mention it makes it easy to make connections and is a nice kit for the money.

"First job went awesome! to easy! Tool still in perfect shape ready for the next job..." Read more

"...day using my Milwaukee impact and this thing made it way easy to make connections. Nice kit for the money." Read more

"High quality and easy to use. All products from this brand are made for industry service. Would buy again" Read more

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Top reviews from Canada

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�鶹�� Customer
Works like a champ!
Reviewed in Canada on January 6, 2025
Verified Purchase

Used a battery powered impact to expand 2-1/2" 304 stainless pipe. Had it done in no time! Quality tool.

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Poor quality, you can't remove them without breaking it apart. Don't buy
Works so well
Reviewed in Canada on October 24, 2024
Verified Purchase

The media could not be loaded.

First job went awesome! to easy!
Tool still in perfect shape ready for the next job
You can't strip this tool just grease every parts and it will last forever

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Poor quality, you can't remove them without breaking it apart. Don't buy

Works so well

Reviewed in Canada on October 24, 2024
First job went awesome! to easy!
Tool still in perfect shape ready for the next job
You can't strip this tool just grease every parts and it will last forever

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One person found this helpful

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Jean-Philippe P.
So useful and efficient !
Reviewed in Canada on October 28, 2021
Verified Purchase
This kit makes exhaust junctions much easier ! Either to do installs with U-bolts or band-clamps. I've used it on 3 different cars in the last 3 weeks and I'm very satisfied !!

Took 1 star off because rubber O-rings seem to be low quality : upon receiving the kit, there was already 3 broken O-rings when I opened the box. I broke 1 on the very first use. But other than that, I'm really pleased with this kit !

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TC
Ease Of Use, Durable
Reviewed in Canada on April 27, 2024
Verified Purchase
Assembled a full exhaust the other day using my Milwaukee impact and this thing made it way easy to make connections. Nice kit for the money.

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One person found this helpful

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�鶹�� Customer
Solid tool no issues
Reviewed in Canada on June 10, 2024
Verified Purchase
Works well but haven’t used it much so far.

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Zeth
Great brand
Reviewed in Canada on March 26, 2024
Verified Purchase
High quality and easy to use. All products from this brand are made for industry service. Would buy again

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darc
Bearing broke first time using
Reviewed in Canada on November 12, 2024
Verified Purchase
Good product but needs a more durable bearing. Works as intended

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darc

Bearing broke first time using

Reviewed in Canada on November 12, 2024
Good product but needs a more durable bearing. Works as intended

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chris
Good tool
Reviewed in Canada on June 12, 2023
Verified Purchase
Used this on 3inch ss magnaflow exhaust. Worked well. Be patient and use the grease. Remember this also will need a strong impact or pneumatic gun.

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One person found this helpful

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Gee
High quality tool that just works.
Reviewed in the United States on March 30, 2025
Verified Purchase

I don't usually write product reviews, but this tool worked so well. Better than expected. I've used the cheaper $30 expanders before, and they're made of soft metal that bends and breaks the first time you use them. This one is well worth the higher price as it "just works". Really pleased with this purchase.

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KC
Works on Stainless Steel
Reviewed in the United States on June 29, 2025
Verified Purchase
Totally surprised with this expander. Was able to expand .063" (measured) thick 1.75" polished stainless steel exhaust pipe using my Milwaukee cordless impact gun. Expanded 2 ends on stainless steel with no issue. Greased (2 small tubes included) the threads and all contact parts before use.

The expansion is not perfectly rounded. Rotate the expander during the expansion process to resolve this issue. Recommended for your DIY projects.

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ABGtiagoRD
Works very well; great value, just wish the case was smaller
Reviewed in the United States on November 10, 2024
Verified Purchase
Picture #1 in the collage shows the Astro tube expander 78835; it works really well especially paired to the Harbor Freight hydraulic hole punch set. I was successfully able to slowly expand (giving the tool and the material sufficient time) 0.158" to the ID on the stainless steel orbital joint in the attached pics.

Back to the collage, picture #2 is the original layout of the Astro blue case ... I wish it could be condensed a lot better since it takes a LOT of precious storage space. Picture #3 in the black case is the Maddox Harbor Freight expander, more tightly packed in a similar quality case. In pic #4 you can see the two cases aligned, stacked and the blue Astro case is needlessly 70 mm longer. Picture #5 shows an alternative packing similar to the Maddox. Picture #6 displays a more efficient packing if some of the tools are nested, one could envision a better layout, with the anti-seize grease tubes integrated to the carrying handle, and at the end saving almost half the space, nearly 150mm [6"]... Warehouse space is always at a premium...

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ABGtiagoRD

Works very well; great value, just wish the case was smaller

Reviewed in the United States on November 10, 2024
Picture #1 in the collage shows the Astro tube expander 78835; it works really well especially paired to the Harbor Freight hydraulic hole punch set. I was successfully able to slowly expand (giving the tool and the material sufficient time) 0.158" to the ID on the stainless steel orbital joint in the attached pics.

Back to the collage, picture #2 is the original layout of the Astro blue case ... I wish it could be condensed a lot better since it takes a LOT of precious storage space. Picture #3 in the black case is the Maddox Harbor Freight expander, more tightly packed in a similar quality case. In pic #4 you can see the two cases aligned, stacked and the blue Astro case is needlessly 70 mm longer. Picture #5 shows an alternative packing similar to the Maddox. Picture #6 displays a more efficient packing if some of the tools are nested, one could envision a better layout, with the anti-seize grease tubes integrated to the carrying handle, and at the end saving almost half the space, nearly 150mm [6"]... Warehouse space is always at a premium...

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Larry D Mitchell
I’m Definitely NOT Returning this Tool !!!
Reviewed in the United States on April 16, 2025
Verified Purchase
Lots of Bearing grease !!!! Anything that metal touches Grease it !! I even slathered some on the inside of the pipe for good measure.
This tool worked Great !! I can feel my creative juices flowing thinking about my next Pipe Project.
A good Strong vise and a piece of scrap rubber is good to wrap around the pipe to keep it from spinning in the vise .

Read more

Larry D Mitchell

I’m Definitely NOT Returning this Tool !!!

Reviewed in the United States on April 16, 2025
Lots of Bearing grease !!!! Anything that metal touches Grease it !! I even slathered some on the inside of the pipe for good measure.
This tool worked Great !! I can feel my creative juices flowing thinking about my next Pipe Project.
A good Strong vise and a piece of scrap rubber is good to wrap around the pipe to keep it from spinning in the vise .

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TemplarGold
Worked great for a stainless exhaust resize
Reviewed in the United States on May 15, 2025
Verified Purchase
Worked great with a air impact to resize a 2.5" pipe inlet to an 2.55" inlet. Just need to go slow so you don't go to far.

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TemplarGold

Worked great for a stainless exhaust resize

Reviewed in the United States on May 15, 2025
Worked great with a air impact to resize a 2.5" pipe inlet to an 2.55" inlet. Just need to go slow so you don't go to far.

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Astro Pneumatic Tool 78835 Exhaust Pipe Stretcher Kit, Metallic

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Top Brand: Astro Pneumatic Tool

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Top reviews from Canada

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Works so well

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Bearing broke first time using

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Top reviews from other countries

5.0 out of 5 stars High quality tool that just works.

5.0 out of 5 stars Works on Stainless Steel

4.0 out of 5 stars Works very well; great value, just wish the case was smaller

Works very well; great value, just wish the case was smaller

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5.0 out of 5 stars I’m Definitely NOT Returning this Tool !!!

I’m Definitely NOT Returning this Tool !!!

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5.0 out of 5 stars Worked great for a stainless exhaust resize

Worked great for a stainless exhaust resize

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Product Summary: Astro Pneumatic Tool 78835 Exhaust Pipe Stretcher Kit, Metallic

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About this Item

Product description

Feedback

High quality tool that just works.

Works on Stainless Steel

Works very well; great value, just wish the case was smaller

I’m Definitely NOT Returning this Tool !!!

Worked great for a stainless exhaust resize

Product summary presents key product information

Keyboard shortcut Shift + Alt + opt + D