ER B5 S4 2.7T Dual Side Mount Intercooler Kit
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Key Features:

  • Two large 10"x8"x4.5" (13.5"x8"x4.5" with end tanks) High Density Bar and Plate Construction Intercooler Core.
  • Improved end tank design over factory. The new end tank design completely replaces the lower "S" intercooler hose on the driver's side factory intercooler. New design improves throttle response and decreases turbo lag..
  • Replaces all OEM intercooler hose with aluminum hard piping for improved throttle response.
  • Intercooler piping features beaded, silicone "hump" hoses, and T-bolt clamps to prevent intercooler piping from coming off from boost.
  • Maintains ALL factory components, i.e. fog lights, smog pump, horn, water squirters etc... Does not require any modification to the bumper cover or fenders. Belly pan can be retained with no modifications.
  • Includes all hardware needed to install.
  • Limited Lifetime Warranty.




The ER Dual Side Mount Intercooler (DSMIC) upgrade requires no modifications to the bumper or fenders. Belly pan fits with no modifications. Can be used with cars running air conditioning.


All the factory lower intercooler hose has been replaced with aluminum hard piping. The factory intercooler hose is soft which can and will balloon during boost. This does not happen with aluminum hard piping which increases throttle response. The passenger side intercooler comes with new aluminum hard piping. The factory driver's side lower intercooler inlet faces firewall, away from the factory lower intercooler piping that comes from the turbo. This requires from the factory a restrictive "S" intercooler hose. The new upgraded intercooler end tank design has completely removed this "S" intercooler hose. With it now gone, a straight section of pipe comes from the factory lower intercooler piping coming from the turbo straight into the side of the new intercooler. With the new improved design, throttle response is increased as well as turbo lag is decreased.




  • Item #: ER-AU-SMIC001

ER B5 S4 2.7T Dual Side Mount Intercooler Kit

Price: $1,395.00
Sale Price: $1,046.25
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