FGJQEFG 3.5 Inch DIY Custom Mandrel Exhaust Pipe Tube Pipe, 40 Inch Straight Pipe, 3.5''OD Straight & Mandrel Bend Pipe(45/90/180 Degree) Kits, T304 Stainless Steel, Universal Fitment - 4PCS
Condition: New
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To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
12 left in stock
Arrives
Sunday, Aug 9
Size: 3.5''Straight+45°+90°+180°-4PCS
Features
- MaterialUniversal DIY Custom Mandrel Exhaust Tube Pipe Made of High-Quality T-304 Stainless Steel, Strength and longer life, Excellent resistance to corrosion and oxidation resistance.
- SizeOutside Diameter: 3.5 Inch / 3.5'', Bending Angle: Straight/45/90/180 Degree.
- Easy To UseConstruction to maintain OD/ID size integrity for easier installation, Polished pipe is great for DIY project.
- Package Includes1 X Straight Tube Pipe, 1 X 45 Degree Tube Pipe, 1 X 90 Degree Tube Pipe, 1 X 180 Degree Tube Pipe(100% Brand new, Never been tried or installed). Efficient packaging to save on non-box and oversize fees.
- ApplicationsUniversal Fitment(Exhaust system or industrial materials). Easy for common exhaust systems. (Professional installation is highly recommended, Instruction is not included).
Color: Metallic
Brand: FGJQEFG
Material: Stainless Steel
Vehicle Service Type: Universal
Shape: Round
Installation Type: Bolt-On
Finish Type: Polished
Product Dimensions: 40"L x 3.5"W
Manufacturer: FGJQEFG
Model: Extension Pipes
Item Weight: 23.3 pounds
Item model number: Extension Pipes
Exterior: Polished
Manufacturer Part Number: WJ1210
Date First Available: October 31, 2022
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Aug 9
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: 4''Straight+45°+90°+180°-4PCS
Correct product, decent price
Reviewed in the United States on January 7, 2026 by Dave Skipper
Size: 2.25''Straight+45°+90°+180°-4PCS
looks to be real non magnetic 304 stainless steel. the bends are good. about 1.5 mm thick, welded up good with my stainless steel flux core welder
Reviewed in the United States on October 28, 2025 by tedi
Size: 3''Straight+45°+90°+180°-8PCS
The media could not be loaded. Well it seems very thin and not very round and very dirty on the inside. I will try and make it work and update this later .UPDATE I actually really like this piping. It did the job at first you can tell. I was very skeptical because of the odd shapes, but it didn’t really affect anything. All in all, it’s a great product and I got it on Amazon warehouse used deal for a little money also, the thickness is what the advertise so please retract my previous statement of it being thin thank you off.
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Reviewed in the United States on May 28, 2025 by Laniboy808
Size: 3''Straight+45°+90°-3PCS
Easy to weld Bends were great Did not rust over time will definitely will get more
Reviewed in the United States on August 13, 2025 by Roland Elizardo
Size: 4''Straight+45°+90°-3PCS
Not consistent diameter all the way thru. A lot of out of round, still workable. It seems like decent quality ss though. Used it for a downpipe on a turbo set up where I needed to pie cut the straight pipe, cut the 90 in a couple spots.
Reviewed in the United States on April 20, 2025 by Amazon Customer Amazon Customer
Size: 2''Straight+45°+90°-3PCS
Perfect
Reviewed in the United States on January 10, 2026 by Anthony villalobos
Size: 3''Straight+45°+90°+180°-8PCS
Perfect for DIY. I re-did my entire exhaust but needed a little more tubing but this stuff is still good after a year on the car..
Reviewed in the United States on November 1, 2025 by Amazon Customer
Size: 2''Straight+45°+90°+180°-4PCS
My minivan was much too quiet for the trackday and backroad weapon it truly is, so i did some searching for 2” diameter tubing i could easily clamp in place to the stock system for a muffler delete. Honestly i’ve never done exhaust work before and was expecting to have to make pie cuts, splurge for a tig welder, hire an army of professionals, the like, but it was honestly way too easy. The piping cut nice and easy with my anger grinder & cut off wheel and is actually thick decent stainless steel. One of the ends which i cut off anyway was very very slightly crushed or crimped a bit on the end, but nothing you couldn’t persuade with a hammer. Overall solid tubing if you can’t find any locally. With that stock muffler gone i’m officially prepped for thousands of HP and regularly get thumbs up from passersby and S2000 owners. Six thumbs up!
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Reviewed in the United States on May 3, 2024 by LJ LJ