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CTS Turbo MQB BOSS V2 Upgrade Kit - DISCONTINUED

CTS Turbo MQB BOSS V2 Upgrade Kit - DISCONTINUED

CTS TURBO
Availability:
Out of stock
SKU CTS-MQB-BOSS-V2UPGR
Sold out
$399.99 - $399.99
$399.99
$399.99 - $399.99
$399.99
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We show live inventory for in-stock items. Products may sell out due to high demand but are restocked regularly. Out-of-stock items can still be ordered and usually arrive within a few weeks.

Looking to update your older CTS Version 1 BOSS 500 or 600 kit to latest revision? These are the parts you need for conversion! Updated V2 design features our proprietary CTS compressor cover with anti-surge porting, integrated DV/BOV provision and a billet wastegate bracket. Other parts included are required to change the original BOSS V1 kit to this newest V2 design. V2 upgrade kit will allow for a neatly installed package; provide better boost control and throttle response, thus making it even easier for your software tuner to maximize your power! Features:
  •     All-new proprietary V2 compressor cover with anti-surge porting and internal DV/BOV provision
  •     Compatible with CTS billet aluminum DV or BOV
  •     Compatible with factory DV (harness extension required)
  •     Updated V2 billet wastegate bracket
  •     Updated V2 billet wastegate rod end
  •     Misc parts included for install
Fitment:
  •     All CTS V1 BOSS kits for MQB vehicles
Note:
  •     The V1 BOSS kit is not included; this is only an upgrade parts kit. V1 BOSS kit is required.
  •     Original turbo must be sent in to CTS for V2 parts to be installed. Please contact us for shipping directions.
  •     V2 parts are final sale; warranty will apply but parts are non-returnable for refund or credit.

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 9 applications
S3
Make Model Engine Years
AUDI S3 2015–2020
AUDI S3 (8V) 2015–2020
A3
Make Model Engine Years
AUDI A3 2015–2020
AUDI A3 (8V) 2015–2020
GTI
Make Model Engine Years
VW GTI 2015–2021
VW GTI (MK7/7.5) 2015–2020
VW GTI (MK8) 2021–2021
GOLF R
Make Model Engine Years
VW GOLF R 2015–2021
VW GOLF R (MK7/7.5) 2015–2020

Fitment data last updated: 2026-06-26