1985-1998 [Subscribe to Daily Digest] |
Less back pressure increases the efficiency of the engine by reducing the amount of burned gas that gets sucked back into the cylinder during the intake phase. A higher percentage of fresh air and fuel is burned thus increasing power and economy. That's it in a nutshell.
posted by 62.194.82...
No Site Registration is Required to Post - Site Membership is optional (Member Features List), but helps to keep the site online
for all Saabers. If the site helps you, please consider helping the site by becoming a member.