Does not include hardware
Does NOT include hardware or the RS4/modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).
Does not include hardware
Does NOT include hardware or the RS4/modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).
Does not include hardware
Does NOT include hardware or the RS4/modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).
This product was last offered at the strikethrough price on
07-01-2026
Great bolt on performance upgrade, can be used with or without specific programming
This product was last offered at the strikethrough price on
02-20-2026
A great solution for the DIY builder, does not include software or plumbing
This K04 Turbocharger will require diverter valve relocation
This product was last offered at the strikethrough price on
07-14-2026
Includes all gaskets and hardware needed to install your K04
10X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
02-20-2026
Great bolt on performance upgrade that can be used with or without specific programming
Great bolt on performance upgrade that can be used with or without specific programming
10X Entries For Our 25th Anniversary Sweepstakes!
Comprehensive kit includes the left & right side RS4 K04 turbochargers, 034Motorsport RS4 Inlet Pipe set, and associated installation hardware
10X Entries For Our 25th Anniversary Sweepstakes!
*2003 and 2004 A6 and Allroad 2.7T's with automatic transmissions have a different downpipe design, and some modification is required for installation.*
This product was last offered at the strikethrough price on
06-19-2026
Includes the left (K04-025) & right (K04-026) side turbochargers with associated installation hardware
10X Entries For Our 25th Anniversary Sweepstakes!
Does NOT include the RS4 or modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).
This product was last offered at the strikethrough price on
06-19-2026
Includes the left (K04-025) & right (K04-026) side turbochargers
Does NOT include hardware or the RS4/modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).
This product was last offered at the strikethrough price on
07-02-2026
0.83 A/R T3 Single Scroll (Internal Wastegate) - 375hp-650hp capabilities
*To be used with custom turbocharger applications only - IE T3 flange manifold, custom fueling, tuning/software, and internals necessary*
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-24-2026
A great solution for the DIY builder, does not include software or plumbing
10X Entries For Our 25th Anniversary Sweepstakes!
Modifications necessary for proper fitment. Please see description.
This product was last offered at the strikethrough price on
07-14-2026
Based on a BorgWarner K04-064 frame
Includes $300 refundable core charge
This K04 Turbocharger will require diverter valve relocation
This product was last offered at the strikethrough price on
02-26-2026
A great solution for the DIY builder, does not include software or plumbing
This K04 Turbocharger will require diverter valve relocation
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
02-26-2026
EFR delivers quick boost response, powerful performance and reliable durability - 0.80 A/R, T4 Twin Flow Flange, 49mm Compressor Inducer Dia, 62mm Compressor Wheel O.D., 58mm Turbine Wheel O.D.
*To be used with custom turbocharger applications only - T4 flange manifold, custom fueling, tuning/software, and internals necessary*
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-24-2026