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Designing custom exhaust
I have a 92 Toyota Camry LE with the 4-cylinder engine and an automatic transmission, and have been wondering about a catback exhaust system.
Since this car is so old, no one makes them anymore, so i was wondering about building my own custom catback exhaust for it. Ive searched the forums and FAQ and havent quite been able to find the answers ive been looking for.
1. How difficult is building your own catback? I know how to weld, and can design and plan projects out somewhat well.
At first glance it seems like buying some tubes and connecting hardware, two mufflers, copying the stock design (except with bigger piping and less restriction, obviously) and welding it all together. Is there anything im overlooking or underestimating the difficulty of?
2. How much will it cost? Ive looked at some pipes and they seem pretty cheap, but i dont know about mufflers or hardware.
3. How long will it take? If i do all the designing before I actually take off my exhaust and start building, how many days should this take?
4. Is it worth it? What is the optimum exhaust diameter for the most power gain in a 4 cylinder for a daily driver (ive heard 2.25" or 2.5")? And will i gain enough power to make it worth the cost and effort?
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