Catback Exhaust systems are designed to completely replace everything from your cats all the way back to your exhaust tips. Traditionally, if you are planning on upgrading your entire exhaust system, you will also need headers and downpipes.
The Valvetronic Designs Valved Exhaust System for the BMW G29 Z4 M40i is the ultimate upgrade for enthusiasts who demand both performance and versatility. Developed from our extensive R&D on B58-powered platforms, including the Supra and M340i, this system transforms the Z4’s sound and performance, unlocking the true potential of BMW’s celebrated inline-six.
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The Valvetronic Designs Valved Exhaust System for the BMW G29 Z4 M40i is the ultimate upgrade for enthusiasts who demand both performance and versatility. Developed from our extensive R&D on B58-powered platforms, including the Supra and M340i, this system transforms the Z4’s sound and performance, unlocking the true potential of BMW’s celebrated inline-six.
Show More Show Less
The Valvetronic Designs Valved Exhaust System for the BMW G29 Z4 M40i is the ultimate upgrade for enthusiasts who demand both performance and versatility. Developed from our extensive R&D on B58-powered platforms, including the Supra and M340i, this system transforms the Z4’s sound and performance, unlocking the true potential of BMW’s celebrated inline-six.
Show More Show Less
The Valvetronic Designs Valved Exhaust System for the BMW G29 Z4 M40i is the ultimate upgrade for enthusiasts who demand both performance and versatility. Developed from our extensive R&D on B58-powered platforms, including the Supra and M340i, this system transforms the Z4’s sound and performance, unlocking the true potential of BMW’s celebrated inline-six.
Show More Show Less
The Valvetronic Designs Valved Exhaust System for the BMW G29 Z4 M40i is the ultimate upgrade for enthusiasts who demand both performance and versatility. Developed from our extensive R&D on B58-powered platforms, including the Supra and M340i, this system transforms the Z4’s sound and performance, unlocking the true potential of BMW’s celebrated inline-six.
Show More Show Less