QT Performance

B58 M240i QT PR Exhaust System.

-3,5" Midpipe
-Valve Controlled
-Simons 3" Muffler
-AISI304 Stainless Steel

Designed and made fully in-house.

QT Precision Line - In-house design. In-house fabrication.

It starts with a design and ends with a system that fits like it was always meant to be there.

Developed and fabricated entirely in-house, with a focus on finish you can see.

And the sound? We tune every system to deliver the exact tone and character the build deserves — aggressive when it needs to be, refined when it counts.

Ready to build yours? Send us a message.

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8Y RS3 Supported by QT.