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 

OEM Splitter choking your TMIC? Fix that. Tired of popping your hood only to have that ugly OEM...
OEM Splitter choking your TMIC? Fix that. Tired of popping your hood only to have that ugly OEM...
Your Subaru’s cooling system is only as good as its weakest link, commonly that’s the old, dry-rotted OEM...
Your Subaru’s cooling system is only as good as its weakest link, commonly that’s the old, dry-rotted OEM...
Your factory crank pulley is responsible for transferring energy from your crankshaft to your water pump, a/c compressor...
Real 10whp gains in 30min with no tuning. Design requirements for this intake were simple: The intake must...
Meticulous engineering meets elegant design. For years you've been asking us for intakes, and for years we've silently...
Meticulous engineering meets elegant design. For years you've been asking us for intakes, and for years we've silently...
With so many catback options available, our goal was to create a unique, refined sound in an extremely...
Do you know what your intake manifold sits on?...a superheated boxer engine. If you don't know already, the...
IN THE BOX (1) PERRIN recirculating blow off valve (1') 1/4" Fuel Hose (2.2') 1/2" Fuel Hose All...
IN THE BOX (1) PERRIN recirculating blow off valve (1') 1/4" Fuel Hose (2.2') 1/2" Fuel Hose All...
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