DNA Catback Exhuast Any Good from eBay?
Thread Starter
New Member
Joined: Sep 2017
Posts: 3
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From: Wisconsin
DNA Catback Exhuast Any Good from eBay?
Hi all! Recently I've been wanting to get a new catback to replace the stock one just for fun, but don't feel like paying over $500 for a name brand one. On eBay there were a few that were pretty eye catching, because of the price 
, but I have no idea how well the build quality or anything is on these cheap exhausts. The particular exhaust I was looking at was a DNA 3.5" Stainless Steel Catback. I saw a few posts from years ago about DNA, but there were no follow up reviews after the purchase. So has anyone purchased this catback, or any eBay exhausts within the past few years? Is the build quality good, does it last, is the sound good etc..
Any info is appreciated!
, but I have no idea how well the build quality or anything is on these cheap exhausts. The particular exhaust I was looking at was a DNA 3.5" Stainless Steel Catback. I saw a few posts from years ago about DNA, but there were no follow up reviews after the purchase. So has anyone purchased this catback, or any eBay exhausts within the past few years? Is the build quality good, does it last, is the sound good etc..Any info is appreciated!
Last edited by Rocket Lanch; Sep 24, 2018 at 12:42 PM.
What am I doing here?
Joined: Mar 2006
Posts: 3,606
Likes: 652
From: 2017 Miata RF Launch Edition
First, it's a no-name brand from eBay. Notice how the photos for many of those $170-$180 catbacks are identical except for the watermark and background and how they all have the same product info? They're all getting them from the same supplier.
So, no.
Second, the listing title implies 3.5" catback but it's really just 3.5" tips on the catback. the piping is 2.25" which isn't the same as OEM.
So, no.
Third, I have a hard time believing that the whole thing is really made of 304 stainless for under $180 shipped. I'd bet that if it is stainless (and not aluminized steel) it's 409.
So, maybe?
Fourth, in the off-chance it sounds good now, I'd bet the packing material breaks down in the first year and then it sounds like crap.
So, no.
Stick to the bigger/better names. Borla, Tanabe, TurboXS, Racing Beat, HKS, Agency Power, etc.
So, no.
Second, the listing title implies 3.5" catback but it's really just 3.5" tips on the catback. the piping is 2.25" which isn't the same as OEM.
So, no.
Third, I have a hard time believing that the whole thing is really made of 304 stainless for under $180 shipped. I'd bet that if it is stainless (and not aluminized steel) it's 409.
So, maybe?
Fourth, in the off-chance it sounds good now, I'd bet the packing material breaks down in the first year and then it sounds like crap.
So, no.
Stick to the bigger/better names. Borla, Tanabe, TurboXS, Racing Beat, HKS, Agency Power, etc.
Last edited by NotAPreppie; Sep 24, 2018 at 12:52 PM.
You get what you pay for. If you're OK with the risks ^^, then I guess it's worth it?
I wouldn't put it on my car, because if it sucks, I'm sitting on $200 less to spend on something that doesn't suck.
I wouldn't put it on my car, because if it sucks, I'm sitting on $200 less to spend on something that doesn't suck.
Thread Starter
New Member
Joined: Sep 2017
Posts: 3
Likes: 0
From: Wisconsin
First, it's a no-name brand from eBay. Notice how the photos for many of those $170-$180 catbacks are identical except for the watermark and background and how they all have the same product info? They're all getting them from the same supplier.
So, no.
Second, the listing title implies 3.5" catback but it's really just 3.5" tips on the catback. the piping is 2.25" which isn't the same as OEM.
So, no.
Third, I have a hard time believing that the whole thing is really made of 304 stainless for under $180 shipped. I'd bet that if it is stainless (and not aluminized steel) it's 409.
So, maybe?
Fourth, in the off-chance it sounds good now, I'd bet the packing material breaks down in the first year and then it sounds like crap.
So, no.
Stick to the bigger/better names. Borla, Tanabe, TurboXS, Racing Beat, HKS, Agency Power, etc.
So, no.
Second, the listing title implies 3.5" catback but it's really just 3.5" tips on the catback. the piping is 2.25" which isn't the same as OEM.
So, no.
Third, I have a hard time believing that the whole thing is really made of 304 stainless for under $180 shipped. I'd bet that if it is stainless (and not aluminized steel) it's 409.
So, maybe?
Fourth, in the off-chance it sounds good now, I'd bet the packing material breaks down in the first year and then it sounds like crap.
So, no.
Stick to the bigger/better names. Borla, Tanabe, TurboXS, Racing Beat, HKS, Agency Power, etc.
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