When performed correctly on any car that needs them, exhaust upgrades accomplish three things: Your car will be quicker, have an authoritative tone, and run more efficiently. With those benefits in ...

But as good as the stock parts are, sound-level requirements and production considerations still conspire to keep them from unleashing an engine's full potential. Fortunately, high-performance exhaust ...

We gave our BMW Z8 a full performance makeover with Supersprint headers and complete exhaust system, followed by a Stage 2 ECU tune and dyno session! Hear the raw sound, see the full install, and ...