DNA Motoring ZTL-225RAW 16Pcs 2.25 Inches OD DIY Custom Mandrel Exhaust Pipe Kit Straight & Bend

This tubing was far better than I expected, and better than some people have reviewed on Amazon. Pretty good stuff for the money. The one caveat is wall thickness. The small pieces come in at around 16ga, some might be something like 17ga. The straight pieces though, all come in at around 19ga. This may be acceptable for some, but probably not for all.

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 lh62 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.

Plenty of pieces to get the job done, proper strength and fabrication.

If you have the equipment to cut and weld these pipes, the possibilities are endless.

I can't believe how much I liked this exhaust, especially for the price! The thickness and composition of the stainless steel makes it extremely weldable, and the mandrel bends are almost perfectly consistent. I used this kit to build a custom exhaust system for a 2007 Toyota FJ Cruiser. The steel welded perfectly to the stainless steel flanges I used, as well as the stainless steel stock I used for the hangers. I also made a few switchable tail ends, so I could compare four different mufflers, and this tubing welded perfectly to galvanized mild steel pieces as well. Heat dissipation seems good, and I didn't have any temperature issues with the downstream O2 sensors. The whole system is remarkably sturdy, and I have enough left over tubing and bends to build a system for another vehicle. Packaging was adequate but not excessive. All of the pieces came individually sealed in plastic, and in perfect condition. If you are looking to build just the right custom exhaust, and want enough material to experiment a bit, this is precisely what you should buy.

Liked the product but I ran out of pipe building custom dual on 2014 GMC Sierra. Almost complete not enough pass the axle to tailpipe. If there were 2 more 90 and 45 each without 180 would have made it. Can't figure what to do with 180 degrees?

I was able to make a daul exhaust for my Bronco 2 turned out great

Very good quality for the price, spend the extra few dollars and do it stainless and never worry about it again.

Nice finish on the tubing. Welded together using stainless flux core wire. The tubing thickness is .050" The first delivery did not arrive, the supplier expressed shipped the next delivery and it came to Canada in two days! Very happy with this purchase.

Enough parts to complete the exhaust on my 46 Ford. 2 1/2 exhaust to let the 460 breathe. Only issue was they shipped it by USPS and then Canada Post. It would have been quicker to have it hitchhike. Oh well lthey were paying and I wasn’t held up. Took 30 days from Texas to British Columbia.

I bought the 3" kit for my 1980 suburban 3/4 ton 4x4. Quality is good and the bends are clean, my only issue is that when it showed up there were only 12 pieces in the box, I live in a remote part of Northern Canada so guess I'm stuck with the situation, but other than the missing pieces I love it.

I have not installed this yet but checked it out and I am very impressed, great quality and the price is fantastic.

Very well packed. Awesome looking stainless. Can't wait to install. Great customer service.