Collection: Air Filters - Drop In

BikeMaster 2002 Honda CBR1000RR Air Filter | 457002

BikeMaster BMW HP2 Enduro Air Filter | 457001

PERRIN 2-Piece Replacement Filter for PERRIN Intakes 3.125 inch ID (Fits Big MAF and V2 standard In | X-PSP-INT-208

PERRIN Replacement 4.5 ID BLACK Filter for Evo Intake | X-PEP-INT-203

PERRIN 19-21 Subaru STI (Inc. Type RA) Drop-In Panel Filter - Black | PSP-INT-114

PERRIN 13-20 Subaru BRZ / Scion FR-S / Toyota 86 Drop-In Panel Filter - Black | PSP-INT-112

PERRIN 22-25 Subaru WRX / 18-25 Crosstrek / 17-25 Impreza / 20-25 Outback Drop-In Panel Filter | PSP-INT-111

PERRIN 08-21 Subaru WRX / 08-18 STI / 09-18 Forester / 13-17 Crosstrek Drop-In Filter Foam - Black | PSP-INT-110

PERRIN 02-07 Subaru WRX/STI/Impreza & 04-08 Forester All Panel Foam Filter - Black | PSP-INT-100

K&N 2024 Ford Mustang / GT 5.0L V8 Drop-In Replacement Air Filter (Pair) | E-0630

K&N 20-24 Cadillac CT4/CT5 2.0L L4 Replacement Panel Air Filter | 33-5102

K&N Round Air Filter 7in OD 5.188in ID 3 Height | E-3380

K&N Custom Air Filter 6.25in OS Width / 9.688in OS Length / 2.188in Height | E-3333

Injen SuperNano-Web Air Filter 3.75in ID/ 7.0in Base / 8.8in Height / 5in Top | X-1109-BB

Injen SuperNano Web Air Filter 4in Flange ID 6in Twist Lock Base / 7.75in Media Height / 4in Top | X-1134-BB

Injen NanoWeb Dry Air Filter 8.7x3.9in Oval ID / 10.4x5.6in OD / 4.2in Height / 10.1x4.7in Top | X-1131-BB

Injen NanoWeb Dry Air Filter 8.7x3.9in Oval ID / 10.4x5.6in OD / 4.75in Height / 7.9x3.1in Top | X-1130-BB

Injen 8-Layer Oiled Cotton Gauze Air Filter/ Oval ID Oval Base/5.55in Media HT/7in x 2.75in Oval Top | X-1129-BR

Injen NanoWeb Dry Air Filter 6.7x4.54in Oval ID / 7.7x5.7in OD / 5.55in Height / 7x2.75in Top | X-1129-BB

Injen NanoWeb Dry Air Filter 4in Flange ID / 5.5in Base / 5.4in Height / 4in Top | X-1128-BB

Injen Oiled Air Filter 4.0in Flange ID / 6.0in Base / 6.9in Media Height / 5.0in Top | X-1127-BR

Injen NanoWeb Dry Air Filter 8.5x5.63in Oval ID / 9.92x7.17in OD / 5.7in Height / 6.865x 4.115in Top | X-1127-BB

Injen Oiled Air Filter 8.5x5.63in Oval ID / 9.92x7.17in Base / 5.7in HT / 6.865ix4.115in Top | X-1126-BR

Injen NanoWeb Dry Air Filter w/Shur-Loc 4.115x6.865 Oval Neck / 7.17x9.92 Base / 5.63x8.5 Tall | X-1126-BB

Injen Oiled Air Filter 8.7x3.9in Oval ID / 10.4x 5.6in OD / 3.10in Height / 10.1x4.7 Top | X-1125-BR

Injen Nanofiber w/Sur-Loc Dry Air Filter - 8.5in Base / 6in Tall / 7in Top | X-1125-BB

Injen AMSOIL Ea Nanofiber Dry Air Filter - 5in Base / 8in Tall / 5in Top | X-1124-BB

Injen 8-Layer Oiled Cotton Gauze Air Filter 5in Flange ID 8in Base/ 7.9in Height/ 5.3in Inertia Top | X-1116-BR

Injen SuperNano-Web Air Filter 5in Flange ID 8in Base/7.9in Media Height /5.3in Inertia Top | X-1116-BB

Injen 8-Layer Oiled Cotton Gauze Air Filter 4.0in ID/ 6.5inBase / 6.75in Height / 5in Top | X-1115-BR

Injen SuperNano-Web Air Filter 4.0in ID/ 6.5in Twist Lock Base / 6.75in Height / 4in Top | X-1115-BB

Injen 8-Layer Oiled Cotton Gauze Air Filter 3.5in ID/ 6.5in Base / 8.8in Height / 5in Top | X-1114-BR

Injen SuperNano-Web Air Filter 3.50in ID/ 6.5in Base / 8.80in Height / 5in Top | X-1114-BB

Injen 8-Layer Oiled Cotton Gauze Air Filter 6.0in ID/ 9.5in Base / 8.5in Height / 7in Top | X-1113-BR

Injen SuperNano-Web Air Filter 6.0in Flange ID/ 9.5in Base / 8.5in Media Height / 7in Top | X-1113-BB

Injen 8-Layer Oiled Cotton Gauze Air Filter 4.0in ID/ 6.0in Base / 6.3in Height / 4in Top | X-1112-BR

Injen SuperNano-Web Air Filter 4.0in Flange ID/ 6.0in Base / 6.30in Height / 4in Top | X-1112-BB

Injen 8-Layer Oiled Cotton Gauze Air Filter 4in ID/ 6.5in Base / 10.3in Height / 5.35in Top | X-1111-BR

Injen SuperNano-Web Air Filter 4.0in ID/ 6.5in Base / 10.3in Height / 5.35in Top | X-1111-BB

Injen 8-Layer Oiled Cotton Gauze Air Filter 4.0in ID/ 6.0in Base / 8.8in Height / 4in Top | X-1110-BR

Injen NanoWeb Dry Air Filter- 4in Flange ID 6in Twist Lock Base 8.8in Media Height 4in Top | X-1110-BB

Injen 8-Layer Oiled Cotton Gauze Air Filter 3.75in ID/ 7in Base / 8.8in Height / 5in Top | X-1109-BR

Injen 8-Layer Oiled Cotton Gauze Air Filter 4.0in ID/ 7.0in Base / 8.80in Height / 5in Top | X-1108-BR

Injen SuperNano-Web Air Filter 4.0in ID/ 7.0in Base / 8.8in Height / 5in Top | X-1108-BB

Injen Oiled Air Filter 5.0in Flange ID / 7.0in Twist Lock Base / 7.9in Media Height / 5.0in Top | X-1107-BR

Injen SuperNano Web Dry Air Filter - 5in Flange ID / 7in Base / 7.9in Media Height / 5in Top | X-1107-BB

Injen 8-Layer Oiled Cotton Gauze Air Filter 5in Flange ID 7in Base/7.9in Height/5in Top | X-1106-BR

Injen SuperNano-Web Air Filter 5in Flange ID 7in Base/ 7.9in Height/ 5in Top/ Filter Monitor Nipple | X-1106-BB