Riss Racing 3" Full Catback Exhaust for E82 135i - Cheap!

suspenceful

700 HP Club (N54)
Aug 1, 2017
542
551
0
Ride
2015 M3, 2008 135i, 2009 335i
I've decided to sell my 3" Riss Racing catback exhaust. It sounded great and definitely allowed these turbos to move a little more power. I've had it for years, but it has seen better days. I'm only selling it because I am going to get a custom 3.5" exhaust made as I'm going to be shooting for 700+whp.

The good:
  • 3" single pipe for more power
  • 304 stainless steel
  • Full mandrel bend
  • Only 30lbs (stock is 91lbs) - drop 61lbs instantly!
  • Large adjustable rear hanger to get fitment just right
  • Sounds great

The bad:
Muffler is blown apart (literally). After years of 2-step and large fireballs, she's given up. The packing is gone and the muffler itself is blown open. I'd recommend getting a new muffler welded on for cheap, but I ran it as-is for a while.

As you can see, there are some wear marks where the exhaust rubbed on the underbody heat shields. After the muffler blew up, it tweaked the angle of the exhaust and I didn't notice it was rubbing. It did not used to rub and this problem should be fixed with proper hanger adjustment or a new muffler. The exhaust also has a few dings.

The middle flange has been repaired with a welded nut. This does not affect the performance of the exhaust and it functions perfectly. The bolts/nuts holding this connection together rusted at one point and an exhaust shop hacked up the flange a little bit. It seals perfectly fine with a gasket in there (I'll even provide two gaskets with the sale).

I extended the tips about an inch to fit my Rieger rear diffuser. They were almost hiding behind my stock diffuser so this might not even be an issue. If you're welding a new muffler on, you won't have to worry about this as you can just fit it to your diffuser as needed. You can see this in the video I'll link below as well, the tips were too sunken in.

That's about it. It's not perfect. Don't expect it to be. That's why it's listed at $400 OBO and not the $1200 retail price.

I'm in Appleton, WI and will ship if you're not local, but that'd be at your expense.


For underbody video and exhaust sound:
https://www.youtube.com/watch?v=fYk0UvoYaQk

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