exhaust that will pass cali smog no peoblem
I don't know of a single exhaust alone that will fail you on Cali smog, so you're good there. You're right though about HFC and Test Pipes. I've heard of people in Cali passing with HFC every so often, but not sure which brand, or where they're getting tested. Test pipes are for sure fail unless you know people.
With that out of the way, I'll move on to the sound. The exhaust doesn't give our car's its sound - it's the valve configuration. In fact, one specific Mercedez has nearly the same exact exhaust sound. Exhausts only humble the sound down to a liveable and legal limit (via restrictions, resonators, etc, but not the same type of chemical restriction as cats). Ultimately, every exhaust available will keep the oem sound, just a different pitch or tone.
Since you noted you want power, the best power gains come from true duals, namely Motordyne and Stillen. At this point, the amount of time and research Tony from Motordyne has put into his exhaust systems, and all products for that matter, it's hard not to stray away from such a perfect product. However, it comes with a hefty price. You can look around for cheap(er) replicas like the GodSpeed/XO2 which are HKS reps, but are made of cheaper materials and craftsmanship and don't make nearly as much power.
With that out of the way, I'll move on to the sound. The exhaust doesn't give our car's its sound - it's the valve configuration. In fact, one specific Mercedez has nearly the same exact exhaust sound. Exhausts only humble the sound down to a liveable and legal limit (via restrictions, resonators, etc, but not the same type of chemical restriction as cats). Ultimately, every exhaust available will keep the oem sound, just a different pitch or tone.
Since you noted you want power, the best power gains come from true duals, namely Motordyne and Stillen. At this point, the amount of time and research Tony from Motordyne has put into his exhaust systems, and all products for that matter, it's hard not to stray away from such a perfect product. However, it comes with a hefty price. You can look around for cheap(er) replicas like the GodSpeed/XO2 which are HKS reps, but are made of cheaper materials and craftsmanship and don't make nearly as much power.
Nismo is more or less the most popular for a deeper oem sound. Nothing makes more than Motordyne's TDX - as of now. I say now because no one has dyno'd both exhausts on the same dyno, same day, etc. But if you look at any Motordyno dyno graph, it's nothing short of amazing - especially on our cars.
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lag35driver
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Sep 17, 2015 12:32 PM
