How California limits exhaust noise to 95 dbA, how AB-2496 can lead to a DMV registration hold, and the tests and fixes that resolve citations.
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Evaluating Modern Performance Exhausts: IPE, FI, Armytrix, Akrapovic, Valvetronic, and Ryft
Discover how top performance exhaust brands measure up in sound, weight, and throttle response to help you make the best aftermarket choice.
5–15 HP Gain: Cat Back vs Axle Back, When Valve Control Wins
Compare cat back and axle back systems by dyno gains, sound, cost, and legality. Learn when a valved exhaust delivers both sound control and real power.
Why Grade Beats Finish on Exhaust Tip Materials for Enthusiasts
A grade-aware guide for enthusiasts to choose exhaust tip materials. Learn when to pick T304 for long-term shine, titanium for weight savings, or coated…