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 

High-quality performance headers provide better throttle response and power throughout the RPM range. Our Porsche header upgrades are...
Lighten the rear of the vehicle while adding aggressive Supercup-style sound by replacing the heavy factory mufflers with...
Up the aggression and drop weight while unleashing the visceral tones of the N55 engine with the Fabspeed...
Aggressive X-Pipe exhaust which runs from the turbo outlets to the tips. (Louder then the Maxflo System, but...
Equal-length headers provide improved torque and equalized engine pulsing thanks to industry-exclusive mandrel-bent primary tubes.         ...
Very aggressive "straight-pipe" system which replaces/bypasses the factory exhaust with a non-restrictive bypass solution available for RACE applications....
The High performance free-flowing Supersport X-Pipe replaces the heavy and restrictive factory rear mufflers and catalytic converters for...
High performance free-flowing X-Pipe replaces the heavy and restrictive factory rear mufflers for improved power and sound; includes...
High-quality performance headers provide better boost response and power throughout the RPM range. FEATURES: Fits all Porsche 997.2...
High-flowing, direct bolt-on replacement for the bulky & restrictive factory catalytic converters on the OEM exhaust system. Features:...
Increase exhaust flow from the headers to the mufflers and improving power and sound by replacing the catalytic...
High performance dual-conical cold air intake with carbon fiber heat shield replaces the factory air box for improved...
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