These BOLT ON performance turbo actuators designed with the intention of increasing the boost output of a turbocharged system when reaching for higher power comparing to the OEM actuators. Feature durable billet actuator bodies and bolt on stainless steel brackets with engine cover mounts.

 

This set includes:

2x Performance Vacuum Control Actuators;
2x Stainless steel brackets with engine cover mounts;
2x Adjustable actuators shafts.
 

Compatible with Audi S6, RS6, S7, RS7, A8, S8 4.0l TFSI engines.

The largest intake system that's available for the 4.0tt platform with a true full 2.5" intake runner all the way to the turbo.  Inlet depression on the stock turbo can reach 750mbar while our inlet pipe doesn't drop below 900  resulting in a free 3-4psi on the top end.  30-40hp gains consistently at redline.  5 axis machined inlet snouts are welded to mandrel-bent tubing specifically designed for this application.  Fits S6 S7 RS6 RS7 4.0TFSI applications.  This does NOT fit the D4 S8.

*If purchasing for model A8, please purchase our S8 intakes*

Ball bearing 4.0TFSI turbo upgrade, compatible with all 4.0t Audi engines, s6 s7 rs6 rs7 s8.  Requires a core exchange (send in your old turbos).  We use a GT28 or GT30 ball bearing cartridge to increase output by over 25% without sacrificing spool.

Factory size and hybrid RS6 RS7 S8 Turbo core upgrade to take your S6 S7 A8 to stage 3 power or simply replace your blown RS6 RS7 S8 chra's.

***OIL SCREENS MUST BE REMOVED WHEN INSTALLING OUR TURBOS***

Looking for our +4mm turbos? Please click link below:

https://sillyrabbitmotorsport.com/4-0tfsi-4mm-chra-turbo-upgrade.html

Upgraded driveshaft carrier bearing support.  The OEM unit is prone to failure resulting often in rer differential failure due to pinion angle change.  Billet aluminum construction and custom polyurethane bushings keep the driveshaft right where it should be.

APR’s ECU Upgrades are the best dollar-per-horsepower modification one can make to the 4.0T engine. The upgrades dramatically increase horsepower and torque, making for an exceptionally quicker and more exciting vehicle. This is made possible through APR’s optimization of the factory engine management system to take full advantage of the engine’s capabilities, without needing any end user adjustment. The software loads to the factory ECU through the OBD-II port, resulting in a clean and headache-free install. Furthermore, for those looking for tuning with a limited powertrain warranty, APR Plus has you covered!

APR is pleased to present the ultimate engine control unit (ECU) upgrade for the 3.0 TFSI!

APR’s ECU Upgrades are the best dollar-per-horsepower modification one can make to the 3.0T engine. The upgrades dramatically increase horsepower and torque, making for an exceptionally quicker and more exciting vehicle. This is made possible through APR’s optimization of the factory engine management system to take full advantage of the engine’s capabilities, without needing any end user adjustment. The software loads to the factory ECU through APR's CCD Simos 8.3 models.

Complete 4.0T air to air intercooler solution.  Optional port fuel injection solution integrated to the kit with 4 x 1300cc injectors, silly rabbit tuning port fuel injector controller, wiring harness and lines.  Port fuel uncorks the power limitations of the OEM fuel system permitting 1000+ whp on ethanol, race gas etc.

Video Installation guide https://www.youtube.com/watch?v=ppaH64K0UcE

Note: Installing this unit will lose night vision option on C7 cars but not the S8 models.

Unlock hidden horsepower and torque with our performance tuning software for your vehicle's Engine Control Unit (ECU).

We are now offering our upgraded clutch pack for the DL501 transmission. Stop slipping and put the power down! If you want to hold more torque and have crisper shifts, this upgrade is for you. Accompany it with one of our TCU tunes to maximize compatibility and performance.

Stock rating - 800nm (588 ft/lb)

Level 1 rating - 1000nm (735 ft/lb)

Level 2 rating - 1300nm (955 ft/lb)

The achievable torque may be considerably higher depending on the transmission tune, surface traction, type of driving, mechatronics condition, or fluid, among other factors.

Refundable Core Fee: Your core will be inspected upon receipt for eligibility of a partial or full core refund. We also offer new cores (depending on availability)

Note: Will Require TCU Tuning

Back order 3-4 weeks