$4 for Monsoon Car Wash at Rain Tunnel Express Car Wash ($10 value). Choose From Five Locations.

Multiple Locations

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In a Nutshell

  • Fast & effective car wash
  • Safe & gentle on cars
  • Friendly & attentive staff
  • Valid at five locations

The Fine Print

Promotional value expires Nov 17, 2011. Amount paid never expires. Limit 3 per person. Not valid with other offers. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

Unlike cats and germaphobes, automobiles need to be reminded to wash themselves. Drop a blatant hint to your lazy ride with today's Groupon: for $4, you get a Monsoon car wash (a $10 value) at Rain Tunnel Express Car Wash, valid at any of five area locations. The premium monsoon wash takes only three minutes to completely wash, dry, and playfully tickle your ride using Rain Tunnel's innovative automated technology. The safe, gentle auto-bath includes a clear coat shield, triple polish, and an underbody flush that leaves your steel steed gleaming like a Greek goddess dipped in donut glaze.


CityVoters named Rain Tunnel Express the third-best car wash in St. Louis for 2010.

Customer Reviews

they do a good job - yes we will go back
December 12, 2011
all the people were nice and fast
DONNA M. · December 2, 2011
The car washes always clean everything off my car and I love how quick and inexpensive it is.
Britany S. · December 1, 2011

By purchasing this deal you'll unlock points which can be spent on discounts and rewards. Every 5,000 points can be redeemed for $5 Off your next purchase.