2015-2021 STI

The COBB Tuning License Plate Delete gives your front bumper a clean and finished look to match the rest of your car. The COBB Tuning License P...

Setting the standard for MAF style intakes with a velocity stack, airflow straighteners and composite body for ultimate performance. Feed your SF I...

The COBB OBDII Universal Cable enables you to connect your Version 3 Accessport to any COBB supported vehicle! Tired of your Accessport OBDII cable...

The Weighted COBB Knob is designed to keep those extended shifting sessions exhilarating. The billet stainless steel base/insert provides a weigh...

The COBB Pitch Stop Mount for 2002-2025 WRX, STI, LGT, and FXT models is precision CNC machined from 6061-T6 aluminum and finished with durable bla...

The COBB Replacement Intake Filter for Subaru models is designed to maintain optimal performance with your Cobb SF Intake. Crafted from washable, r...

The C.A.R.B. Certified COBB LF Bypass Valve is engineered for high-performance applications on 2002-2007 WRX, 2004-2021 STI, and 2006-2008 FXT mode...

Experience the ultimate upgrade for your 2015-2021 WRX STI with the COBB Stage 1+ Power Package paired with the Redline Carbon Fiber Intake. This p...

The IAG Performance ARP 1/2" Head Stud Set is engineered specifically for Subaru EJ25, FA20, and FA20 DIT engines. Crafted from high-strength ARP m...

Enhance your Subaru’s engine reliability and performance with the IAG Performance Oil Control Baffle, Windage Tray, and V2 Oil Pickup Combo. Design...

The IAG Performance V2 Oil Pickup is engineered for optimal oil flow and durability in Subaru models including 2002-14 WRX, 2004-21 STI, 2005-09 Le...

The IAG Performance / ARP 14mm Head Stud Set is engineered for Subaru WRX, STI, Legacy GT, and Forester XT models, delivering superior clamping for...

IAG Fire-Lock head gaskets are engineered for 2.5L Subaru EJ25 and EJ257 engines, featuring a precise 100mm bore and a .051" thickness. Designed to...

The IAG Wrist Pin / Cover Seal Kit for Subaru EJ25 Short Blocks provides all essential seals and covers needed for a reliable installation. This co...

IAG PERFORMANCE / CREST CNC 2.5L SUBARU BILLET ALUMINUM SHORT BLOCK 1150+ BHPTHE IAG PERFORMANCE / CREST CNC STAGE X SHORT BLOCKThe IAG Perform...

IAG 1150 EJ25 2.35L DESTROKED SUBARU CLOSED DECK SHORT BLOCK FOR WRX, STI, LGT, FXT - 1150 BHPTHE IAG 1150 EJ25 2.35L DESTROKED CLOSED DECK SHORT B...

IAG 1150 Closed Deck EJ25 Short Block Includes: Case Halves -Converted to Closed Deck from brand new OEM Subaru case halves, bored and honed to 9...

IAG 1150 Closed Deck EJ25 Short Block Includes: Case Halves -Converted to Closed Deck from brand new OEM Subaru case halves, bored and honed to 9...

IAG 950 EJ25 2.35L Short Block Includes: Case Halves - Brand new Subaru OEM case halves Fire-Lock - IAG Fire-Lock™ receiver groove machining, la...

IAG 950 Closed Deck EJ25 Short Block Includes: Case Halves -Converted to Closed Deck using brand new Subaru OEM case halves, bored and honed to 9...

IAG 750 Closed Deck Includes: Case Halves -Converted to Closed Deck using brand new Subaru OEM case halves, bored and honed to 99.75mm. Pistons ...

IAG 550 Short Block Includes: Case Halves -Brand new Subaru OEM case halves 99.5mm stock bore Pistons -IAG-Spec JE 99.5mm Forged Pistons, Ring S...

The IAG Performance EJ Street Series Oil Pan is engineered for Subaru models including 02-14 WRX, 04-21 STI, 05-09 Legacy GT, and 04-13 Forester XT...

The IAG Stainless Steel AN Breather Fitting Set is engineered for precision and durability, compatible with 2004-21 Subaru STI, 05-14 WRX, 04-13 FX...