Shop Similar parts

1. 

   MFR# 57-0593K&N - 57i Series Induction Kit

   K&N

   $186.99$339.99

   Save $153.00 (45%) off MSRP
2. 

   MFR# 57-0515K&N - 57i Series Induction Kit

   K&N

   $181.99$329.99

   Save $148.00 (45%) off MSRP
3. 

   MFR# HPR8080Spectre - HPR Replacement Air Filter

   Spectre

   $35.99
4. 

   MFR# 33-2125K&N - Air Filter

   K&N

   $48.44$87.99

   Save $39.55 (45%) off MSRP
5. 

   MFR# RC-70031K&N - Universal Chrome Air Filter

   K&N

   $53.54$97.99

   Save $44.45 (45%) off MSRP

Popular mods for 2001 Audi A4

1. 

   MFR# 19-045771Bilstein - B4 OE Replacement Front

   Bilstein

   $70.00$131.80

   Save $61.80 (47%) off MSRP
2. 

   MFR# 19-103471Bilstein - B4 OE Replacement Rear

   Bilstein

   $70.00$131.80

   Save $61.80 (47%) off MSRP
3. 

   MFR# 36-269198Bilstein - B3 OE Replacement Front

   Bilstein

   $52.00$85.23

   Save $33.23 (39%) off MSRP
4. 

   MFR# 24-020794Bilstein - B6 Performance Front

   Bilstein

   $141.00$209.28

   Save $68.28 (33%) off MSRP
5. 

   MFR# 24-020817Bilstein - B8 Performance Plus Front

   Bilstein

   $146.00$216.93

   Save $70.93 (33%) off MSRP