Engine

Here you will find all the components under the hood of your performance street car. From oil changes to short blocks and everything in between. Not sure whats right for your vehicle? Contact sales@builtnotboughtauto.com 

Product wishlist
Perrin Top Mount Intercooler For Subaru 2015-2022 WRX & 2014-2018 Forester
Perrin Top Mount Intercooler For Subaru 2015-2022 WRX & 2014-2018 Forester
$777.00
Add a consistent 10+ wheel horsepower with one of the largest Top Mounted Intercoolers on the market! We...
-61%
Perrin EJ257 Engine Dress Up Kit for 2015+ Subaru STI (All Colors)
Perrin EJ257 Engine Dress Up Kit for 2015+ Subaru STI (All Colors)
$622.00$240.00
Includes: Boost control solenoid cover Alternator pulley cover Radiator shroud Everything Included as pictured PSP-ENG-161/150/512
-22%
Perrin EJ257 Engine Dress Up Kit for 2015+ Subaru STI (All Colors)
Perrin EJ257 Engine Dress Up Kit for 2015+ Subaru STI (All Colors)
$622.00$484.00
Includes: Oil fill cap Battery tie down Boost control solenoid cover Fender shrouds Alternator pulley cover Radiator shroud...
-22%
Perrin FA20 Engine Cover Dress Up Kit for 2015+ Subaru WRX (Choose Color)
Perrin FA20 Engine Cover Dress Up Kit for 2015+ Subaru WRX (Choose Color)
$873.00$680.00
Includes: FA20 Engine Cover Kit  Oil fill cap Battery tie down Fender shrouds Radiator shroud 6 Speed Pitch...
Grimmspeed Cover and Shroud Dress Up Kit for 2015+ Subaru WRX (All Colors)
Grimmspeed Cover and Shroud Dress Up Kit for 2015+ Subaru WRX (All Colors)
Out of stock
The BOLD, eye catching Acid Green calipers on the newer STI have proven to be a crowd favorite...
Grimmspeed Cover and Shroud Dress Up Kit for 2015+ Subaru STI (All Colors)
Grimmspeed Cover and Shroud Dress Up Kit for 2015+ Subaru STI (All Colors)
Out of stock
The BOLD, eye catching Acid Green calipers on the newer STI have proven to be a crowd favorite...
Grimmspeed Exhaust Gasket Kit For FA20 Turbocharged Subaru
Grimmspeed Exhaust Gasket Kit For FA20 Turbocharged Subaru
Out of stock
Package Contents:-020001 GrimmSpeed Exhaust Manifold to Cylinder Head Gasket Pair-022001 GrimmSpeed Universal 3 inch 2 Bolt Exhaust Gasket...
HKS Racing Muffler For 93-98 Toyota Supra 31008-BT001
HKS Racing Muffler For 93-98 Toyota Supra 31008-BT001
$680.00
For 800-1000 horsepower range applications, HKS now offers the Racing Muffler system.  The Racing Muffler is the lightest...
GrimmSpeed Front Mount Intercooler Bumper Bar
GrimmSpeed Front Mount Intercooler Bumper Bar
Out of stock
GrimmSpeed Front Mount Intercooler Bumper Bar Black - Subaru WRX / STI 2015 - 2020
GrimmSpeed Front Mount Intercooler Kit 2015+ Subaru STI
GrimmSpeed Front Mount Intercooler Kit 2015+ Subaru STI
Out of stock
This is the GrimmSpeed Front Mount Intercooler Kit. This is the latest offering from GrimmSpeed and has been...
IAG PERFORMANCE UNEQUAL LENGTH 3-BOLT HEADER & UPPIPE FOR 02-14 WRX, 04-20 STI, 05-09 LGT, 04-08 FXT
IAG PERFORMANCE UNEQUAL LENGTH 3-BOLT HEADER & UPPIPE FOR 02-14 WRX, 04-20 STI, 05-09 LGT, 04-08 FXT
$749.99
Package includes:(x1) Unequal Length Stainless Steel Header(x1) 3 Bolt Stainless Steel Uppipe(x1) 3 Bolt Uppipe Gasket(x3) Uppipe to...
IAG PERFORMANCE EQUAL LENGTH 3-BOLT HEADER & UPPIPE FOR 02-14 WRX, 04-20 STI, 05-09 LGT, 04-08 FXT
IAG PERFORMANCE EQUAL LENGTH 3-BOLT HEADER & UPPIPE FOR 02-14 WRX, 04-20 STI, 05-09 LGT, 04-08 FXT
Out of stock
Package includes:(x1) Equal Length Stainless Steel Header(x1) 3 Bolt Stainless Steel Uppipe(x1) 3 Bolt Uppipe Gasket(x3) Uppipe to...
Perrin Top Mount Intercooler For Subaru 2015-2022 WRX & 2014-2018 Forester
Perrin Top Mount Intercooler For Subaru 2015-2022 WRX & 2014-2018 Forester
$777.00
-61%
Perrin EJ257 Engine Dress Up Kit for 2015+ Subaru STI (All Colors)
Perrin EJ257 Engine Dress Up Kit for 2015+ Subaru STI (All Colors)
$622.00$240.00
-22%
Perrin EJ257 Engine Dress Up Kit for 2015+ Subaru STI (All Colors)
Perrin EJ257 Engine Dress Up Kit for 2015+ Subaru STI (All Colors)
$622.00$484.00
-22%
Perrin FA20 Engine Cover Dress Up Kit for 2015+ Subaru WRX (Choose Color)
Perrin FA20 Engine Cover Dress Up Kit for 2015+ Subaru WRX (Choose Color)
$873.00$680.00
Grimmspeed Cover and Shroud Dress Up Kit for 2015+ Subaru WRX (All Colors)
Grimmspeed Cover and Shroud Dress Up Kit for 2015+ Subaru WRX (All Colors)
Out of stock
Grimmspeed Cover and Shroud Dress Up Kit for 2015+ Subaru STI (All Colors)
Grimmspeed Cover and Shroud Dress Up Kit for 2015+ Subaru STI (All Colors)
Out of stock
Grimmspeed Exhaust Gasket Kit For FA20 Turbocharged Subaru
Grimmspeed Exhaust Gasket Kit For FA20 Turbocharged Subaru
Out of stock
HKS Racing Muffler For 93-98 Toyota Supra 31008-BT001
HKS Racing Muffler For 93-98 Toyota Supra 31008-BT001
$680.00
GrimmSpeed Front Mount Intercooler Bumper Bar
GrimmSpeed Front Mount Intercooler Bumper Bar
Out of stock
GrimmSpeed Front Mount Intercooler Kit 2015+ Subaru STI
GrimmSpeed Front Mount Intercooler Kit 2015+ Subaru STI
Out of stock
IAG PERFORMANCE UNEQUAL LENGTH 3-BOLT HEADER & UPPIPE FOR 02-14 WRX, 04-20 STI, 05-09 LGT, 04-08 FXT
IAG PERFORMANCE UNEQUAL LENGTH 3-BOLT HEADER & UPPIPE FOR 02-14 WRX, 04-20 STI, 05-09 LGT, 04-08 FXT
$749.99
IAG PERFORMANCE EQUAL LENGTH 3-BOLT HEADER & UPPIPE FOR 02-14 WRX, 04-20 STI, 05-09 LGT, 04-08 FXT
IAG PERFORMANCE EQUAL LENGTH 3-BOLT HEADER & UPPIPE FOR 02-14 WRX, 04-20 STI, 05-09 LGT, 04-08 FXT
Out of stock
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