Subaru - 2018 - 2021 STI - Engine - Upgrades - Low Boost Performance

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GrimmSpeed
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sku: 113072 **Special Order**

GrimmSpeed High-Lift Hood Struts for the 15-24 WRX/15-21 STI

MSRP:

Now: $99.00

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IAG
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sku: IAG-ENG-H950-OPT

IAG 950 CNC Ported Race Cylinder Heads Package for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-13 FXT

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Now: $4,599.99 - $6,499.99

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IAG
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sku: IAG-ENG-H750-OPT

IAG 750 CNC Pocket Ported Competition Cylinder Heads Package for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-13 FXT

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Now: $3,799.99 - $5,899.99

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IAG
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sku: IAG-ENG-H550-OPT

IAG 550 Street Cylinder Heads Package for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-13 FXT

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Now: $2,999.99 - $4,899.99

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IAG
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sku: IAG-ENG-L115-OPT

IAG 1150 Closed Deck Long Block Engine w/ IAG 1150 Heads for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT

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Now: $17,499.99 - $17,699.99

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IAG
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sku: IAG-ENG-L950-OPT

IAG 950 Closed Deck Long Block Engine w/ IAG 950 Heads for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT

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Now: $12,999.99 - $13,199.99

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IAG
|
sku: IAG-ENG-L750-OPT

IAG 750 Closed Deck Long Block Engine w/ IAG 750 Heads for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT

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Now: $11,799.99 - $11,999.99

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IAG
|
sku: IAG-ENG-L550-OPT

IAG 550 Long Block Engine w/ IAG 550 Heads for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT

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Now: $9,499.99 - $9,699.99

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IAG
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sku: IAG-ENG-S750

IAG 750 EJ25 Subaru Closed Deck Short Block For WRX, STI, LGT, FXT - 750BHP

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Now: $4,999.99 - $5,890.96

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IAG
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sku: IAG-ENG-S550

IAG 550 2.5L Subaru Short Block for WRX, STI, Legacy GT, Forester XT - 550 BHP

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Now: $3,999.99 - $4,890.96

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COBB
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sku: 822615

COBB SUBARU AIR/OIL SEPARATOR WRX 2008-2014, STI 2008-2020

MSRP:

Now: $545.00

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GrimmSpeed
|
sku: 113072 **Special Order**

GrimmSpeed High-Lift Hood Struts for the 15-24 WRX/15-21 STI

GrimmSpeed "High-Lift" Hood Struts 2015-2024 WRX / 2015-2021 STI Let's face it - the OEM hood struts on the 15+ WRX/STI are an awesome feature, but they still leave a lot to be desired. The biggest issue is that they prevent your hood from opening...

MSRP:

Now: $99.00
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IAG
|
sku: IAG-ENG-H950-OPT

IAG 950 CNC Ported Race Cylinder Heads Package for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-13 FXT

**Usually Ships Within 7-8 Weeks** IAG 950 CNC PORTED RACE CYLINDER HEADS PACKAGE FOR 02-14 WRX, 04-21 STI, 05-09 LGT, 04-13 FXT BUILT WITH RACING IN MIND The IAG 950 CNC Ported Race Cylinder Heads are designed for racing and competition. These...

MSRP:

Was:

Now: $4,599.99 - $6,499.99

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IAG
|
sku: IAG-ENG-H750-OPT

IAG 750 CNC Pocket Ported Competition Cylinder Heads Package for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-13 FXT

**Usually Ships In 7-8 Weeks** IAG 750 CNC POCKET PORTED COMPETITION CYLINDER HEADS PACKAGE FOR 02-14 WRX, 04-21 STI, 05-09 LGT, 04-13 FXT BUILT FOR THE WEEKEND RACER The IAG 750 CNC Pocket Ported Competition Cylinder Heads are designed with the...

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Was:

Now: $3,799.99 - $5,899.99

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IAG
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sku: IAG-ENG-H550-OPT

IAG 550 Street Cylinder Heads Package for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-13 FXT

**Usually Ships In 7-8 Weeks** IAG 550 STREET CYLINDER HEADS PACKAGE FOR 02-14 WRX, 04-21 STI, 05-09 LGT, 04-13 FXT ENTRY-LEVEL STOCK REPLACEMENT HEADS The IAG 550 Cylinder Heads are designed to function as an entry-level replacement for...

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Now: $2,999.99 - $4,899.99

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IAG
|
sku: IAG-ENG-L115-OPT

IAG 1150 Closed Deck Long Block Engine w/ IAG 1150 Heads for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT

**Usually Ships within 5-6 weeks** IAG 1150 LONG BLOCK ENGINE WITH IAG 1150 HEADS FOR 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT A "DROP-IN" SOLUTION The IAG Performance Hand-Built Subaru EJ25 Closed Deck Long Block Engine Packages are a complete,...

MSRP:

Was:

Now: $17,499.99 - $17,699.99

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IAG
|
sku: IAG-ENG-L950-OPT

IAG 950 Closed Deck Long Block Engine w/ IAG 950 Heads for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT

**Usually Ships within 5-6 Weeks** IAG 950 LONG BLOCK ENGINE WITH IAG 950 HEADS FOR 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT A "DROP-IN" SOLUTION The IAG Performance Hand-Built Subaru EJ25 Closed Deck Long Block Engine Packages...

MSRP:

Was:

Now: $12,999.99 - $13,199.99

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IAG
|
sku: IAG-ENG-L750-OPT

IAG 750 Closed Deck Long Block Engine w/ IAG 750 Heads for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT

**Usually Ships within 5-6 Weeks** IAG 750 LONG BLOCK ENGINE WITH IAG 750 HEADS FOR 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT A "DROP-IN" SOLUTION The IAG Performance Hand-Built Subaru EJ25 Closed Deck Long Block Engine...

MSRP:

Was:

Now: $11,799.99 - $11,999.99

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IAG
|
sku: IAG-ENG-L550-OPT

IAG 550 Long Block Engine w/ IAG 550 Heads for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT

**Usually Ships within 5-6 Weeks** IAG 550 LONG BLOCK ENGINE WITH IAG 550 HEADS FOR 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT A "DROP-IN" SOLUTION The IAG Performance Hand-Built 550 Subaru EJ25 Long Block Packages are a complete,...

MSRP:

Was:

Now: $9,499.99 - $9,699.99

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IAG
|
sku: IAG-ENG-S750

IAG 750 EJ25 Subaru Closed Deck Short Block For WRX, STI, LGT, FXT - 750BHP

**Usually Ships In 2-3 Weeks** THE PROBLEM SOLVER The IAG 750 Short Block is designed to solve the majority of common problems which plague modified EJ25 engines, especially at higher horsepower levels. The IAG 750 short block builds off our IAG...

MSRP:

Was:

Now: $4,999.99 - $5,890.96

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IAG
|
sku: IAG-ENG-S550

IAG 550 2.5L Subaru Short Block for WRX, STI, Legacy GT, Forester XT - 550 BHP

**Usually Ships in 2-3 Weeks** DESIGNED FOR STRENGTH The IAG 550 Short Block is designed for modified EJ25 Subarus that need a stronger short block to support increased cylinder pressures created by additional boost pressure. The IAG 550 short...

MSRP:

Was:

Now: $3,999.99 - $4,890.96

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COBB
|
sku: 822615

COBB SUBARU AIR/OIL SEPARATOR WRX 2008-2014, STI 2008-2020

Cobb 08-14 Subaru WRX / 08-20 STI Air Oil Separator The COBB Air/Oil Separator is placed within your Subarus crankcase ventilation system and helps to prevent oil vapors from being introduced into the intake system. The COBB Air Oil Separator has been...

MSRP:

Now: $545.00
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