The highest-performing, race-bred cold-air induction system for the current B9 Audi S4 & S5!
Brand:
ES#:
4039962
Mfg#:
VWR1241S4
304 Stainless high-flow front metallic catalytic converter/downpipe - 100% handcrafted in Italy!
Brand:
ES#:
3644162
Mfg#:
777521
$4867.99 USD
Free Shipping
For use with UH053-INA
Brand:
ES#:
4758918
Mfg#:
UH053-INA
$87.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Complete Bolt-On System, Compatible with stock & modified applications, and all hardware & gaskets included!
Brand:
ES#:
4715348
Mfg#:
01-839-02150-9
$1799.00 USD
Free Shipping
100% Bolt-on installation / Upgrade. You are required to ship Weistec your OE turbochargers as a core.
You are required to ship Weistec your OE turbochargers as a core.
Brand:
ES#:
4715588
Mfg#:
01-839-02087-8
$2199.00 USD
Free Shipping
Lifetime Replacement
Sport Cat-Pipe with 200 CPSI Catalytic Converter - Increase power, reduce weight, and improve sound!
Brand:
ES#:
4164584
Mfg#:
AU94S-CD
$2618.00 USD
Free Shipping
Also referred to as the impulse sender
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4818216
Mfg#:
06M907601DKT
ON SALE!
SAVE 10%
$112.99
This product was last offered at the strikethrough price on
$102.06 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Don't let your car sit dead!
2X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4812519
Mfg#:
06M911021
$553.99
This product was last offered at the strikethrough price on
$537.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Seal up your intake manifold. Fits both left or right side
2X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4818175
Mfg#:
06M133198B
$11.90 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Twin-scroll Hybrid Turbocharger
Brand:
ES#:
5446424
Mfg#:
F30-770
Fix leaks and keep your cooling system efficient
Brand:
ES#:
4839714
Mfg#:
8W0121251H
$484.99
This product was last offered at the strikethrough price on
$423.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
2.50" stainless steel with quad JET-100 carbon tips
Fits models without factory rear sports differential
Brand:
ES#:
3493663
Mfg#:
SSXAU684
$3874.99 USD
Free Shipping
Lifetime Replacement
2.50" stainless steel with quad GT-100 Cerakote black tips
Fits models without factory rear sports differential
Brand:
ES#:
3493581
Mfg#:
SSXAU680
$3752.99 USD
Free Shipping
Lifetime Replacement
2.50" stainless steel with quad GT-100 burnt titanium tips
Fits models without factory rear sports differential
Brand:
ES#:
3493582
Mfg#:
SSXAU682
$4651.99 USD
Free Shipping
Lifetime Replacement
2.50" stainless steel with quad GT-100 polished tips
Fits models without factory rear sports differential
Brand:
ES#:
3493660
Mfg#:
SSXAU685
$3506.99 USD
Free Shipping
Lifetime Replacement
2.50" stainless steel with quad GT-100 titanium tips
Fits models without factory rear sports differential
Brand:
ES#:
3493649
Mfg#:
SSXAU681
$4193.99 USD
Free Shipping
Lifetime Replacement
More About Engine Parts & Accessories
Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.
