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KO Racing
Street Brawler Turbo Kit GT30/35R

KORacing Products » Toyota MR2 MK2 » Turbo Kits & Accessories
ST185 with GT35R .63A/R at 28-29psi on all wheel drive dyno

New GTX and GTX Gen2 series turbos now available!

KO Racing turbo kit for the MR2 and Celica Alltrac/GTFour 3SGTE engines. The Street Brawler GT Series Turbo kit was developed as an expansion of the already widely successful T3/T4 versions that have been making and breaking records since 2003. The reputation of the Garrett GT30R and GT35R is well known with the capability of supporting upwards of 600whp (35R). The kit includes a manifold adapter, which is CNC machined from a solid steel billet and bolts to the stock manifold to retain OEM reliability. The other components include a full 3" mandrel bend down pipe with integrated 1.75" diameter wastegate dump tube, with it's own flex section, a Tial 38mm external wastegate,and all lines, gaskets, and mounting hardware needed to install the kit. More pictures can be seen in the photo gallery. These turbos are dual ball bearing, and water cooled standard.

What's included:

  • Full 3" downpipe with V band clamp and integrated 1.75 wastegate dump tube (with its own flex section)
  • Wideband O2 Port and Plug
  • Downpipe support bracket
  • Tial Sport 38mm external wastegate (44mm or larger recommended with GT35R)
  • CNC machined steel manifold adapter, with integrated external wastegate port/mount.
  • -4AN oil feed line
  • -12AN oil return line
  • -8AN water cooling lines
  • Oil line adapter fittings for the block and oil pan
  • Heat shielding (for clutch slave lines)
  • Assorted hoses for connecting the wastegate to a manifold pressure source
  • Assorted hardware (nuts, bolts, washers, gaskets, zip ties, etc.)
  • Garrett GT series turbo in either GT3071R, GT3076R, GT3082R aka(GT3040R), or GT3582R OR
  • Garrett GTX Gen1 and Gen2 series turbos GTX2867, GTX3071R, GTX3076R, GTX3576R, or GTX3582R
  • Housings for GTX2867R
    • Compressor: "B" series 3" inlet 2" outlet .50 A/R
    • Turbine: .63 A/R or .82 A/R T31 style
  • Housings for GT/GTX3071R
    • Compressor: "E" series 4" inlet 2" outlet .60 A/R
    • Turbine: .63 A/R or .82 A/R T31 style or GT series
  • Housings for GT/GTX3076R and GTX3576R
    • Compressor: "E" series 4" inlet ported shroud 2" outlet .60 A/R
    • Turbine: .63 A/R or .82 A/R T31 style or GT series
  • Housings for GT3082R and GT/GTX3582R
    • Compressor: "S" series 4" inlet 2.5" outlet .70 A/R
    • Turbine: .63 A/R or .82 A/R T31 style or GT series
  • The adapter and down pipe are coated with the same 2000F ceramic thermal barrier coating that is on our CT26/CT20b down pipes.

*Note: This is not an emissions legal part.

*Note: If ordering the Gen 1, it is necessary to purchase a 2nd gen exhaust manifold for use with this kit.

*Note: Use of heat wrap on this or any ceramic coated part will void any warranty. Heat wrap causes an over-insulation on the outside of the pipe trapping too much heat in the metal itself making it brittle. Heat wrap also tends to trap moisture against the parts which can also lead to uneven heat distribution in the piece and lead to cracking. DO NOT USE HEAT WRAP WITH THIS PRODUCT.

See the installation instructions on the Technical Articles page (under Street Brawler).

*Note: Please check with KO Racing for current lead time.

$2600.00 $2470.00 each
Turbine Housing:
Engine Generation:
Compressor Hsg. Finish::
Turbine Hsg. Finish:
Wastegate Dump:
Select Wastegate:
Hose Color:

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