Added the 73mm throttle body and plenum combo to my 02 Mustang. Did the install at the same time I added a cold air intake. Really increases throttle response, can't judge actual power but I'm extremely happy with the performance so far. The 73mm is perfect for mild engine upgrades and I'm glad I bought it rather than the larger 78mm. Fit and finish is excellent and the install is relatively easy. Very pleased with BBK so far amd I'd highly recommend to anyone.
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