DNA MOTORING ZTL-25RAW-8P 8 Pcs 2.5 Inches Mild Steel DIY Custom Exhaust Tubing Mandrel Bend Pipe Straight & U-Bend Kit, Universal Fit
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Availability:
12 left in stock
Arrives
Monday, Mar 30
Style: Mild Steel
Size: 2.5Inch
Features
- Specification: 18-Gauge Piping Walls, Inlet / Outlet Size (IN) : 2.5" OD
- Easy To Use: Slip Fit Joints to Provide Easiest Fabrication
- Universal Kit: 2 pcs 48" Straight Pipes, 2 pcs 90 Degree Pipes, 2 pcs 45 Degree Pipes, 2 pcs 180 Degree U-Bends
- Sturdy Structure: Made of High Quality Mild Steel with Computerized Mandrel-Bends for Strength and Durability, i.e. Maximizing Smoothest High Exhaust Air Flow Rate
- DIY Custom: These Exhaust Bend Kits Include Enough Tubing To Allow You To Run Your Own Exhaust System The Way You Want It
Color: Metallic
Brand: DNA MOTORING
Material: Low Carbon Steel
Shape: Round
Installation Type: Bolt-On
Product Dimensions: 48"L x 2.5"W
Manufacturer: DNA Motoring
UPC: 194286152161
Model: ZTL-25RAW-8P
Item Weight: 26.9 pounds
Item model number: ZTL-25RAW-8P
Exterior: Natural
Manufacturer Part Number: ZTL-25RAW-8P
Date First Available: December 13, 2022
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Mar 30
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
Style: Stainless Steel
Size: 2.5Inch
I picked up this DNA Motoring 2.5” stainless steel tubing kit for a custom exhaust project, and it exceeded my expectations. The quality of the stainless steel is excellent—smooth bends, no kinks, and a clean finish that’s easy to weld. This 8-piece set offers a solid variety of bends and straight sections, giving you the flexibility to design just about any custom layout. I was able to cut, fit, and weld everything without issue, and the tubing held its shape throughout the process. It’s a universal kit, so it’s perfect for custom builds or swaps where pre-fab kits don’t quite fit. For the price, this is one of the best DIY exhaust kits out there. Highly recommend it for fabricators, gearheads, and anyone doing their own exhaust work.
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Reviewed in the United States on May 18, 2025 by David Wayne lynch
Style: Stainless Steel
Size: 2Inch
Outstanding quality. Heavy enough wall for welding. Stainless has held up great. All pieces were wrapped in plastic and looked perfect. Zero complaints. So nice tho exhaust should be installed where you can see it.
Reviewed in the United States on January 4, 2026 by Captain Candid
Style: Mild Steel
Size: 2.5Inch
This DNA MOTORING exhaust tubing kit is exactly what I needed for a custom setup. The 2.5" mild steel pipes are solid, cleanly bent, and consistent in thickness, making them easy to weld and fit together. Each piece arrived in great condition with no dents or deformities. The variety of mandrel bends gives plenty of flexibility for routing, and everything lines up smoothly without restriction. For DIY exhaust work, this kit is a huge time‑saver and a great value. Highly recommended for anyone fabricating their own system.
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Reviewed in the United States on January 6, 2026 by Mike Howell
Style: Mild Steel
Size: 3Inch
Really nicely bent. Fits together tight but loose enough to turn and twist the pieces while interlocked. Def worth the money
Reviewed in the United States on June 12, 2025 by Brandon
Style: Mild Steel
Size: 3Inch
high quality exhaust pieces, everything I needed to complete the exhaust to exit from muffler to side of my motorhome
Reviewed in the United States on July 19, 2025 by sal defranco
Style: Mild Steel
Size: 2.5Inch
Welded up nicely used kit on my 86 C10, had to order more straight exhaust pipes though.
Reviewed in the United States on March 15, 2025 by Jesse Garcia
Style: Stainless Steel
Size: 2.5Inch
Tubing is 18ga which is what I was after trying to save a little weight on my exhaust. The tubing came clean and the bends are nice/not crushed like some of the other tubing I've bought. Can't comment on the slip fit joints since I used V-bands + tig welded the connections.
Reviewed in the United States on January 25, 2026 by Amazon Customer
Style: Stainless Steel
Size: 3Inch
The media could not be loaded. Fantastic material for the price! DNA seems to always impress me with there products and prices!
Reviewed in the United States on December 11, 2025 by Brendbiggz Brendbiggz