Do Headers Hurt the Life of Your Car/Engine?
08-15-13, 01:10 PM
#16
Im not sure what it is, but it's different between the IS250 and IS350. They are interchangeable as far as fit, but the IS350 has larger diameter tubes due to the increased displacement. If your really that interested I can find out for you, or you can contact PPE and ask.
Lou
Lou
08-16-13, 05:18 PM
#17
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Im not sure what it is, but it's different between the IS250 and IS350. They are interchangeable as far as fit, but the IS350 has larger diameter tubes due to the increased displacement. If your really that interested I can find out for you, or you can contact PPE and ask.
Lou
Lou
08-16-13, 11:18 PM
#18
As I understand it, Megan Headers use the same piping for both the IS250 and IS350. Using the same size tube for both engines is not optimal for scavenging of the exhaust gases. PPEs are sized differently to optimize scavenging for each displacement.
Lou
Lou
09-02-13, 07:29 PM
#22
Headers are illegal if not carb legal like peyman said but since you are here in CA you can get a way with it for at least the first 5 years of a new car. Otherwise you have to take it to your "reputable shop" 
and pass the smog that way.
Carb legal headers are not worth the money just get mid pipe if you are that concerned with legalities because its a lot easier to uninstall and install that than headers if you have to.
and pass the smog that way. Carb legal headers are not worth the money just get mid pipe if you are that concerned with legalities because its a lot easier to uninstall and install that than headers if you have to.
09-14-13, 09:29 AM
#26
Headers doesn't initially hurt your car...however restrictions are there to prevent the engine from getting damaged...by adding headers you open up more flow to the engine, relieve some back pressure and of course leads to more torque..while doing all that the valves are working harder as well so be mindful of needing value adjustments after a while if you constanly running the car hard...also be sure to never let it run low on oil or coolant bec it is quicker to blow the head....as long as your are on top of it and not racing everyone like you have a ricer civic then you will be good for the occasional fun driving
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