---
product_id: 195340776
title: "DNA Motoring ZTL-25SS 16 Pcs 2.5 Inches Stainless Steel DIY Custom Exhaust Tubing Mandrel Bend Pipe Straight & U-Bend Kit, Universal Fit"
brand: "dna motoring"
price: "¥107716"
currency: JPY
in_stock: true
reviews_count: 13
category: "Dna Motoring"
url: https://www.desertcart.jp/products/195340776-dna-motoring-ztl-25ss-16-pcs-2-5-inches-stainless
store_origin: JP
region: Japan
---

# 2.5-inch universal fit tubing Mandrel bends for smooth airflow 18-gauge stainless steel strength DNA Motoring ZTL-25SS 16 Pcs 2.5 Inches Stainless Steel DIY Custom Exhaust Tubing Mandrel Bend Pipe Straight & U-Bend Kit, Universal Fit

**Brand:** dna motoring
**Price:** ¥107716
**Availability:** ✅ In Stock

## Summary

> 🔥 Build your dream exhaust with pro-grade precision! 🏁

## Quick Answers

- **What is this?** DNA Motoring ZTL-25SS 16 Pcs 2.5 Inches Stainless Steel DIY Custom Exhaust Tubing Mandrel Bend Pipe Straight & U-Bend Kit, Universal Fit by dna motoring
- **How much does it cost?** ¥107716 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/195340776-dna-motoring-ztl-25ss-16-pcs-2-5-inches-stainless)

## Best For

- dna motoring enthusiasts

## Why This Product

- Trusted dna motoring brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Complete DIY Kit:** 16 pieces including straight, 45°, 90°, and 180° bends for ultimate customization
- • **Universal Fitment:** 2.5-inch diameter fits most exhaust systems for seamless integration
- • **Effortless Fabrication:** Slip-fit joints make assembly quick and hassle-free
- • **Precision Mandrel Bends:** Computerized bends ensure max airflow & durability
- • **Premium Stainless Steel:** 18-gauge piping resists corrosion and withstands high temps

## Overview

The DNA Motoring ZTL-25SS kit offers 16 pieces of 2.5-inch, 18-gauge stainless steel exhaust tubing with mandrel bends for smooth airflow and durability. Designed for universal fit, this DIY kit includes straight and multiple angled pipes, enabling custom exhaust fabrication with slip-fit joints for easy installation.

## Description

desertcart.com: DNA Motoring ZTL-25SS 16 Pcs 2.5 Inches Stainless Steel DIY Custom Exhaust Tubing Mandrel Bend Pipe Straight & U-Bend Kit, Universal Fit : Toys & Games

Review: They are pretty thin but lightweight. - You can weld with em nice. Ran my truck with a connector pipe to my cats from the header and they have so far held up. Will see long time review. Will be back to do so. A little thin though but still nice. Headers, this and then cats. And they make nice sound. You can hear the valves through the exhaust anlittle bit and I like that. Makes it sound stock car ish. I would imagine others would find the loudness annoying though. Will be finishing up full true duals here soon with a dual in/out connecting muffler soon. Just have to finish the old girl. 07 silverado lh6 2 month review. They're still holding up with blue demon flux core stainless wire. No gas. I ran some 308 rod on it as well and they weld nice. Must run 43 amps with the rod and run fast. Don't hesitate or you'll blow through. With 308 blue demon flux core wire. I ran it at 19 with 275 wire speed and yah gotta run that fast too. Don't hesitate. Weaving tiny circles as you move quick helps wet the toes better. But you don't need to. This runs better if u run it like a stick welder. Mig with 90/10 argon/co2 prolly woulda been best. But oh well. First time running the wire. Wanted to try it out. It's worked out. However long review. Months later. Exhaust hasn't rusted as I popped it with acetone and welded with proper wire. I need to redo the flex pipes and I may have em too tight in the exhaust and they're breaking apart a bit. Otherwise has held up very well. Still sounds good since I did it almost a year ago. Has the desired rumble. What's nice about this tubing. Is if u need to open up a hole for o2 Porta. Just put a dot on the spit and hold it there with the welder til it pops through. Makes an almost perfect circle and then you can run a step bit to open it to the desired size for bungs and defoulers. Quite nice. I'm going to be redoing my entire exhaust here soon as I had alot of blow through but I finally bought the proper gas and solid 308 wire to do it with mig weld tacks when holding in place and then I'm gonna tig it out. Finally got a decent welder instead of the easy flux titanium from harbor freight. Which welds nice but doesn't do everything I need to do. Still good to pull around though. I got the titanium 140 multiprocess and it works good. Not amazing. But can be fine tuned to be adequate. I'm a professional pipe and tank Welder. I can recommend this tubing and that welder.
Review: I’ll be buying more - I bought this to install on my truck, the 3in is what I got and I’m not sure what I was expecting, however, I’ll be ordering more for the remainder to of my vehicles. It definitely surpassed my expectations!

## 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: 4 pcs 48" Straight Pipes, 4 pcs 90 Degree Pipes, 4 pcs 45 Degree Pipes, 4 pcs 180 Degree U-Bends
- Sturdy Structure: Made of High Quality Stainless 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B085L9M7GS |
| Best Sellers Rank | #13,030 in Automotive ( See Top 100 in Automotive ) #28 in Automotive Replacement Exhaust Pipes |
| Brand | DNA MOTORING |
| Brand Name | DNA MOTORING |
| Color | Metallic |
| Customer Reviews | 4.6 out of 5 stars 600 Reviews |
| Included Components | 4 X 48" Straight Pipes / 4 X 90 Degree Pipes / 4 X 45 Degree Pipes / 4 X 180 Degree U-Bends |
| Installation Type | Bolt-On |
| Item Dimensions L x W | 48"L x 2.5"W |
| Item Type Name | DNA Motoring ZTL-25SS 16 Pcs 2.5 Inches Stainless Steel DIY Custom Exhaust Tubing Mandrel Bend Pipe Straight & U-Bend Kit, Universal Fit |
| Manufacturer | DNA Motoring |
| Manufacturer Part Number | ZTL-25SS |
| Manufacturer Warranty Description | Please contact the seller directly for warranty information for this product |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Model Number | ZTL-25SS |
| Number of Items | 1 |
| Product Dimensions | 48"L x 2.5"W |
| Shape | Round |
| UPC | 194286051976 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** DNA MOTORING
- **Color:** Metallic
- **Installation Type:** Bolt-On
- **Material:** Stainless Steel
- **Shape:** Round

## Images

![DNA Motoring ZTL-25SS 16 Pcs 2.5 Inches Stainless Steel DIY Custom Exhaust Tubing Mandrel Bend Pipe Straight & U-Bend Kit, Universal Fit - Image 1](https://m.media-amazon.com/images/I/61Y1mSsUBnL.jpg)
![DNA Motoring ZTL-25SS 16 Pcs 2.5 Inches Stainless Steel DIY Custom Exhaust Tubing Mandrel Bend Pipe Straight & U-Bend Kit, Universal Fit - Image 2](https://m.media-amazon.com/images/I/61HvoTJfDWL.jpg)
![DNA Motoring ZTL-25SS 16 Pcs 2.5 Inches Stainless Steel DIY Custom Exhaust Tubing Mandrel Bend Pipe Straight & U-Bend Kit, Universal Fit - Image 3](https://m.media-amazon.com/images/I/51X0aG5PXRL.jpg)
![DNA Motoring ZTL-25SS 16 Pcs 2.5 Inches Stainless Steel DIY Custom Exhaust Tubing Mandrel Bend Pipe Straight & U-Bend Kit, Universal Fit - Image 4](https://m.media-amazon.com/images/I/61Ev8a1Vp8L.jpg)
![DNA Motoring ZTL-25SS 16 Pcs 2.5 Inches Stainless Steel DIY Custom Exhaust Tubing Mandrel Bend Pipe Straight & U-Bend Kit, Universal Fit - Image 5](https://m.media-amazon.com/images/I/61jDd2TXyrL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ They are pretty thin but lightweight.
*by C***N on July 5, 2022*

You can weld with em nice. Ran my truck with a connector pipe to my cats from the header and they have so far held up. Will see long time review. Will be back to do so. A little thin though but still nice. Headers, this and then cats. And they make nice sound. You can hear the valves through the exhaust anlittle bit and I like that. Makes it sound stock car ish. I would imagine others would find the loudness annoying though. Will be finishing up full true duals here soon with a dual in/out connecting muffler soon. Just have to finish the old girl. 07 silverado lh6 2 month review. They're still holding up with blue demon flux core stainless wire. No gas. I ran some 308 rod on it as well and they weld nice. Must run 43 amps with the rod and run fast. Don't hesitate or you'll blow through. With 308 blue demon flux core wire. I ran it at 19 with 275 wire speed and yah gotta run that fast too. Don't hesitate. Weaving tiny circles as you move quick helps wet the toes better. But you don't need to. This runs better if u run it like a stick welder. Mig with 90/10 argon/co2 prolly woulda been best. But oh well. First time running the wire. Wanted to try it out. It's worked out. However long review. Months later. Exhaust hasn't rusted as I popped it with acetone and welded with proper wire. I need to redo the flex pipes and I may have em too tight in the exhaust and they're breaking apart a bit. Otherwise has held up very well. Still sounds good since I did it almost a year ago. Has the desired rumble. What's nice about this tubing. Is if u need to open up a hole for o2 Porta. Just put a dot on the spit and hold it there with the welder til it pops through. Makes an almost perfect circle and then you can run a step bit to open it to the desired size for bungs and defoulers. Quite nice. I'm going to be redoing my entire exhaust here soon as I had alot of blow through but I finally bought the proper gas and solid 308 wire to do it with mig weld tacks when holding in place and then I'm gonna tig it out. Finally got a decent welder instead of the easy flux titanium from harbor freight. Which welds nice but doesn't do everything I need to do. Still good to pull around though. I got the titanium 140 multiprocess and it works good. Not amazing. But can be fine tuned to be adequate. I'm a professional pipe and tank Welder. I can recommend this tubing and that welder.

### ⭐⭐⭐⭐⭐ I’ll be buying more
*by B***Y on August 20, 2026*

I bought this to install on my truck, the 3in is what I got and I’m not sure what I was expecting, however, I’ll be ordering more for the remainder to of my vehicles. It definitely surpassed my expectations!

### ⭐⭐⭐⭐⭐ Good kit
*by J***S on October 2, 2026*

Great kit comes with everything you’ll need except hangers and collectors

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-18*