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VRP Billet Surge Tanks (M113k)

VRP billet surge tanks for the 55k M113k platform.


  • Mercedes Benz E55 AMG
  • Mercedes Benz SL55 AMG
  • Mercedes Benz CL55 AMG
  • Mercedes Benz S55 AMG
  • Mercedes Benz CLS55 AMG
  • Mercedes Benz G55 AMG

Original price was: $1,200.00.Current price is: $999.00.

Availability: 10 in stock

add billet runners to complete the look of your m113k !

VRP Billet surge tanks are a result of VRPs continued desire to innovate the M113K platform! Add the perfect combination of style and power to your M113k with these polished billet aluminum tanks.

Unlike the factory tanks, our custom tanks are completely hollow allowing for improved laminar flow with reduced restriction.  As we all know, improvements in flow bring more power to your engine.

Our two-piece design allows for the surge tanks to rotate 180 degrees to accommodate any top mount intercoolers or custom set ups. Installation is a breeze with these direct fit bolt on upgrades!


  • For an even easier installation experience, we offer a gasket set for these tanks as well. You have the option use RTV instead, but RTV does make removal and reinstallation much more difficult.
  • In order to make these tanks, we had to develop custom reinforced couplers. After 4 iterations we settled on 5 steel rings to keep them from collapsing due to the vacuum. These couplers are REQUIRED in order to run these tanks unless you are running it in the forward position with top mount coolers.

Our CLS55 saw gains of 31WHP and 10WTQ upon installation of just the Billet Surge Tanks!

Stock Tanks: 463.3 WHP / 581 WTQ

Billet Surge Tank: 494.6 WHP / 591 WTQ

  • We are at *6600ft elevation running on 91 octane. Results will be even better for those at lower altitudes.
  • The only change made between runs was the installation of the tanks and the REQUIRED reflash using the same tuner. You will need to tune for these due to the significant increase in air intake. Grab the tune here.
  • No log tuning, no dyno tuning, 31WHP gains on a canned tune only!




Check out our guide for guidance on installation: VRP Billet Surge Tank Install Guide


**additional components required for reversed setup

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