GTHaus GTC (EV Control), Stainless Steel, with 4x90mm Round Split Tips for 2020 BMW Z4(BM2121604) 1807 requiring only common hand tools

requiring only common hand tools and no frame drilli

BORLA(r)'S patented SwitchFire(tm) design truly blends the combustion pulses from both sides of the engine for improved performance and a custom sound

the Touring Edition Exhaust boasts AWE's proprietary drone-canceling solution

Muscle Car/Premium import Upgrade Kit

GTHaus GTC (EV Control), Stainless Steel, with 4x90mm Round Split Tips for 2020 BMW Z4(BM2121604) 1807 requiring only common hand toolsContinuously innovating and progressing forward. the GTC(EV Control)and GTS (Ultimate Performance) were introduced, ultimately taking the place of the HP through GT2 for all newer model vehicles. The GTC, utilizing electronic valve technology to controlsound, back pressure. andoverall performance. became a single combined solution. enveloping everything from OEM all the way to GT2, a complete spectrum of sound and performance into one unit by the use