Audi B6 A4 APR Summer Sale!
Turn your Audi B6 A4 into a road eating heavy breather with sale priced APR performance upgrades. Increase volumetric efficiency with free-flowing exhausts, then feed the beast with an APR performance chip upgrade.
We have you covered with stainless steel exhausts and performance software upgrades. Buy components or complete systems.
Summer Sale!
Fits:
Audi B6 A4 1.8T (2002-2005)
Throttle Body Hose - Blue - (NO LONGER AVAILABLE)
Includes necessary clamps
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
6834
Mfg#:
MS10006B
No longer available
Throttle Body Hose - Red - (NO LONGER AVAILABLE)
Includes necessary clamps
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
6059
Mfg#:
MS10006R
No longer available
Throttle Body Hose - Black - (NO LONGER AVAILABLE)
Includes necessary clamps
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
5878
Mfg#:
MS10006X
No longer available
Turbo Inlet Hose - Blue - (NO LONGER AVAILABLE)
Less restriction for a higher flow
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Fits up to the 2003 model year
Fits up to the 2003 model year
Brand:
ES#:
5874
Mfg#:
MS10001B
No longer available
Turbo Inlet Hose - Red - (NO LONGER AVAILABLE)
Less restriction for a higher flow
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Fits up to the 2003 model year
Fits up to the 2003 model year
Brand:
ES#:
5875
Mfg#:
MS10001R
No longer available
Turbo Inlet Hose - Black - (NO LONGER AVAILABLE)
Less restriction for a higher flow
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Fits up to the 2003 model year
Fits up to the 2003 model year
Brand:
ES#:
6058
Mfg#:
MS10001X
No longer available
Billet R1 Diverter Valve - Priced Each
Less maintenance, more boost
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
8818
Mfg#:
DV100001
Sport Cat-Back Exhaust System - 2.5" Fully Polished - (NO LONGER AVAILABLE)
Fully polished 2.5" system with dual 3" rolled edge polished tips
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For 2002-2003 model years with 5-speed manual transmissions
For 2002-2003 model years with 5-speed manual transmissions
Brand:
ES#:
7631
Mfg#:
FE100030
No longer available
Sport Cat-Back Exhaust System - 2.5" Fully Polished - (NO LONGER AVAILABLE)
Dual 3" rolled edge polished tips
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For 2004-2005 model years with 6-speed manual transmissions
For 2004-2005 model years with 6-speed manual transmissions
Brand:
ES#:
7628
Mfg#:
FE100031
No longer available
Stealth Cat-Back Exhaust System - 2.5" Fully Polished - (NO LONGER AVAILABLE)
Improve air flow and gain some horsepower with a new cat-back exhaust system
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For 2002-2003 model years with 5-speed manual transmissions
For 2002-2003 model years with 5-speed manual transmissions
Brand:
ES#:
5463
Mfg#:
FE100001
No longer available
Stealth Cat-Back Exhaust System - 2.5" Fully Polished - (NO LONGER AVAILABLE)
Dual 3" rolled edge polished tips
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For 2004-2005 model years with 6-speed manual transmissions
For 2004-2005 model years with 6-speed manual transmissions
Brand:
ES#:
5464
Mfg#:
FE100018
No longer available
Anti-Theft Service
*Sale applies only to ECU with 3 or 4 program purchase.
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
This upgrade must be performed at ECS Tuning's facility in Ohio.
This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
2063652
Mfg#:
APRTHEFT-SRV
Fault Code Erase And Throttle Body Alignment Service
*Sale only applies to purchases to ECU with 3 or 4 program options
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
This upgrade must be performed at ECS Tuning's facility in Ohio.
This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
2063651
Mfg#:
APRFCTB-SRV
Security Lockout Service
*Sale only applies to purchases to ECU with 3 or 4 program options
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
This upgrade must be performed at ECS Tuning's facility in Ohio.
This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
2063654
Mfg#:
APRSECPRG-SRV
Stage 1+ Performance Chip - Fully Loaded - Chip & Ship - (NO LONGER AVAILABLE)
Does not include injectors - Gains of up to 55 HP & 100 LB-FT torque on 93 octane!
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
235HP/275TQ (93 Octane) --- 229HP/271TQ (91 Octane)
235HP/275TQ (93 Octane) --- 229HP/271TQ (91 Octane)
Brand:
ES#:
2722906
Mfg#:
B6A4STG1+CHIP-KT
No longer available
This product has been superseded to
ES#2211
Stage 1+ Performance Chip With Injectors - 1 Program - Chip & Ship - (NO LONGER AVAILABLE)
Includes 4 new upgraded fuel injectors - Gains of up to 55 HP & 100 LB-FT torque on 93 octane!
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
235HP/275TQ (93 Octane) --- 229HP/271TQ (91 Octane)
235HP/275TQ (93 Octane) --- 229HP/271TQ (91 Octane)
Brand:
ES#:
2212
Mfg#:
B6A4STG1+CHIP-1
No longer available
Stage 1+ Performance Chip With Injectors - Up to 4 Programs - Chip & Ship - (NO LONGER AVAILABLE)
Includes 4 new fuel upgraded injectors - Gains of up to 55 HP & 100 LB-FT torque on 93 octane!
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
235HP/275TQ (93 Octane) --- 229HP/271TQ (91 Octane)
235HP/275TQ (93 Octane) --- 229HP/271TQ (91 Octane)
Brand:
ES#:
2211
Mfg#:
B6A4STG1+CHIP-4
No longer available
Stage 1+ Performance Chip With Injectors - 2 Programs - (NO LONGER AVAILABLE)
Includes 4 new upgraded fuel injectors - Gains of up to 55 HP & 100 LB-FT torque on 93 octane!
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
235HP/275TQ (93 Octane) --- 229HP/271TQ (91 Octane)
235HP/275TQ (93 Octane) --- 229HP/271TQ (91 Octane)
Brand:
ES#:
2213
Mfg#:
B6A4STG1+CHIP-2
No longer available
Stage 1+ Performance Chip With Injectors - 3 Programs - (NO LONGER AVAILABLE)
Includes 4 new upgraded fuel injectors - Gains of up to 55 HP & 100 LB-FT torque on 93 octane!
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
235HP/275TQ (93 Octane) --- 229HP/271TQ (91 Octane)
235HP/275TQ (93 Octane) --- 229HP/271TQ (91 Octane)
Brand:
ES#:
2214
Mfg#:
B6A4STG1+CHIP-3
No longer available
Stage I Performance Chip - 1 Program - Chip & Ship - (NO LONGER AVAILABLE)
Gains of up to 35 HP & 75 LB-FT torque on 93 octane program!
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
215HP/245TQ (93 Octane) --- 209HP/236TQ (91 Octane)
215HP/245TQ (93 Octane) --- 209HP/236TQ (91 Octane)
Brand:
ES#:
2217
Mfg#:
B6A4STG1CHIP-1
No longer available
Stage I Performance Chip - 2 Programs - (NO LONGER AVAILABLE)
Gains of up to 35 HP & 75 LB-FT torque on 93 octane program!
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
215HP/245TQ (93 Octane) --- 209HP/236TQ (91 Octane)
215HP/245TQ (93 Octane) --- 209HP/236TQ (91 Octane)
Brand:
ES#:
2216
Mfg#:
B6A4STG1CHIP-2
No longer available
Stage I Performance Chip - 3 Programs - (NO LONGER AVAILABLE)
Gains of up to 35 HP & 75 LB-FT torque on 93 octane program!
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
215HP/245TQ (93 Octane) --- 209HP/236TQ (91 Octane)
215HP/245TQ (93 Octane) --- 209HP/236TQ (91 Octane)
Brand:
ES#:
2215
Mfg#:
B6A4STG1CHIP-3
No longer available
Stage I Performance Chip - 4 Programs - Chip & Ship - (NO LONGER AVAILABLE)
Gains of up to 35 HP & 75 LB-FT torque on 93 octane program!
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
215HP/245TQ (93 Octane) --- 209HP/236TQ (91 Octane)
215HP/245TQ (93 Octane) --- 209HP/236TQ (91 Octane)
Brand:
ES#:
2210
Mfg#:
B6A4STG1CHIP-4
No longer available
APR K04 Kit (For New APR Customers)-4 Program - (NO LONGER AVAILABLE)
Includes: Turbo Chip and Software 242hp/268lb-ft on 91 octane gas, 245hp/275lb-ft on 93 octane gas
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Kit with injectors. This ECS/APR kit comes with a set of Bosch TT injectors
Kit with injectors. This ECS/APR kit comes with a set of Bosch TT injectors
Brand:
ES#:
6289
Mfg#:
T2100003-4
No longer available
APR Stage III+ Turbo Kit - (NO LONGER AVAILABLE)
The most complete & reliable turbo kit for your 1.8T, 340HP on 93 octane gas
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Manual transmissions only
Manual transmissions only
Brand:
ES#:
4324
Mfg#:
T3100010
No longer available
APR K04 Software - Fully Loaded - (NO LONGER AVAILABLE)
Software for new APR customers with a K04 already installed - Minimum requirements of K04-0015 turbocharger, Injectors, and high flow cat
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For customers without existing APR software - ECU must be shipped to our facility
For customers without existing APR software - ECU must be shipped to our facility
Brand:
ES#:
2739105
Mfg#:
APRLNGKO4-SWKT1
No longer available
APR K04 Software - Single Program - (NO LONGER AVAILABLE)
Chip and software for new customers with a K04 already installed
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
6029
Mfg#:
APRLNGKO4-SWKT
No longer available
APR K04 Software Upgrade Service
Software upgrade for existing APR Chip customers with a K04 already installed - Minimum requirements of K04-0015 turbocharger, Injectors, and high flow cat
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For customers with existing APR software - This upgrade must be performed via our Chip & Ship method.
For customers with existing APR software - This upgrade must be performed via our Chip & Ship method.
Brand:
ES#:
2063664
Mfg#:
APRLNGK04-SWUSRV
This product has been superseded to
ES#2217
Stage I Performance Chip - 1 Program DIRECT PORT - (NO LONGER AVAILABLE)
Vehicle must be brought to ECS
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
215HP/245TQ (93 Octane) --- 209HP/236TQ (91 Octane)
215HP/245TQ (93 Octane) --- 209HP/236TQ (91 Octane)
Brand:
ES#:
263551
Mfg#:
B6A4STG1CHIP-1DP
No longer available