Aftermarket Exhaust Manifold
Originally Posted by Z1 Performance
It's the type of mod where your mileage may vary - some cars will see great gains, some will see no gains. It's a function of many different things
i put a 10.5, mid-pipe, and tubular manifold on my car and saw 28whp/38wtq. all of it didn't come from a hotside and mid-pipe, i'm sure.
-M
Originally Posted by BOOSTEZ
theoretically a tubular manifold should increase torque (spoolup) and volumetric efficiency since the manifold is divided and pretty much impossible to allow exhaust gases to seep into the other cylinders under pressure and dilute the air/fuel charge.
I would recommend the Maxford header. The Maxford Turbo Manifold is an excellent "power for the dollar" modification as it reduces turbo spool time while increasing mid range torque and top end power. Gains are on average 5-10whp but we have seen gains of over 20whp when used in conjunction with larger turbocharger (such as the GT30R) and the Helix 02 housing. Unlike many turbo manifolds that are fragile and crack easily, the Maxford manifold is constructed from beefy 3mm 304 Stainless steel tube with high quality TIG welds. Also unlike some manifolds it retains the true twin scroll design of the factory turbo.
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i saw one in lancer shop that i thought was pretty good for the price. i dont really know about it but its a exhaust manifold from Megan racing. what you guys think of them. im lookin at that one and the maxford. both seem pretty cheap but which one is better quality im wondering??
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and one more question, i keep seeing stuff and it like "for T3 or T4 turbo" not sure what are the IX's running. i know what kind of turbo we have but never seen this T3 or T4 stuff. somebody help
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