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Audi S4 Performance Parts & Upgrades

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ES#4715588 - 01-839-02087-8 - Weistec Audi / Porsche VAG EA839 3.0T W.3 Turbo Upgrade - 100% Bolt-on installation / Upgrade. You are required to ship Weistec your OE turbochargers as a core. - Weistec - Audi Porsche

100% Bolt-on installation / Upgrade. You are required to ship Weistec your OE turbochargers as a core. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
You are required to ship Weistec your OE turbochargers as a core.

Brand:
Weistec - Corporate Logo
ES#:
4715588
Mfg#:
01-839-02087-8
Ships in 1 Business Day
$2199.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Quality brake pads from an original equipment supplier affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Akebono - Corporate Logo
ES#:
5445253
Mfg#:
B9SFRP5KT
In Stock at Vendor
$273.14

This product was last offered at the strikethrough price on
04-11-2026

$259.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Sport Cat-Pipe with 200 CPSI Catalytic Converter - Increase power, reduce weight, and improve sound! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Armytrix - Corporate Logo
ES#:
4164584
Mfg#:
AU94S-CD
Ships on Jul 6, 2026
$2618.00 USD
Free Shipping

Twin-scroll Hybrid Turbocharger affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
FrankenTurbo - Corporate Logo
ES#:
5446424
Mfg#:
F30-770
Ships in 2 Business Days
$1999.00 USD

Replace your rotors with 2-piece rotors from Giro Disc. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Girodisc - Corporate Logo
ES#:
4699048
Mfg#:
D2-130
Ships in 1 Business Day
$580.00 USD
Free Shipping

Fine tune your stance and improve handling affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
H&R - Corporate Logo
ES#:
5386619
Mfg#:
1655571SW
Ships in 3 Business Days
$99.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unrivaled comfort and performance. Average lowering of 1.3"-2.3"F 1.2"-2.0"R affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Cabriolet models only

Brand:
H&R - Corporate Logo
ES#:
2807045
Mfg#:
29310-1
Ships in 3 Business Days
$1293.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Better airflow for more power affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CARB certified for sale in all 50 states

Brand:
Injen - Corporate Logo
ES#:
3086224
Mfg#:
SP3079WB
EO#:
D-476-8
In Stock at Vendor
$454.99 USD
Free Shipping
on orders $49 and up

Enhance your driving experience by filling the bushing void. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports  - Corporate Logo
ES#:
4620267
Mfg#:
4M0599257R
Ships in 10 Business Days
$124.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

The ultimate in coilover technology, featuring double adjustable damping affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For sedan models without Electronic Damping Control and a 48.5mm front strut body. Range of lowering is 0.4-1.4" front and rear.

Brand:
KW Suspension - Corporate Logo
ES#:
4056870
Mfg#:
352100BM
Ships in 6 Business Days
$3094.00 USD
Free Shipping

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
KW Suspension - Corporate Logo
ES#:
4883948
Mfg#:
65A50026
Ships in 4 Business Days
$99.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upgrade your Milltek system to Valve Sonic affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
2973066
Mfg#:
MSAUVS01KT
Ships in 3 Business Days
$2518.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

The Revo Big Brake Kit comes complete with everything required to upgrade your stopping power. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
REVO - Corporate Logo
ES#:
4499779
Mfg#:
RA201B201200
Ships in 8 Business Days
$3339.00 USD
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

Let us help you find the parts that fit your Audi

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