Need some opinions on upgrades for the 420a

[IIv SHaDoW vII]

So far it is lowered with catback exhaust.. Right now Im thinking intake and headers..

I have looked into the obx intake but it requires some tapping skills which I dont have so what other intake could I use, and throttle body as well. Searching provided me with info about a 60mm tb so where could I buy one that would replace the stock one.

Headers I want 4-2-1's I will not go with 4-1 ever again on my car.. I had 4-1 on the GST with little to no difference in power.. not that I was looking for any by replacing them but my friend who also had a gst put 4-2-1s on and it made a big difference. Anyway 4-2-1s for the 420a dont recommend anything else. Although.. I was told since these 420as get hot enough as is, that putting headers on is a bad idea.. is this true.. or are there some headers I can use that will allow me to keep the heat shield.. thanks

Thats all I can think of for now that I have the money to upgrade..

 

[mhuffman]

http://www.dsmtuners.com/forums/showthread.php?t=269529

 

[98eclipsekidd08]

my 420a never got unreasonably hot and i had a header on it but it was a 4-1. I dont think headers in general do much. My friend just got a AEM cold air intake for his and that fit with no modifications and works nice hope this helped

 

[mhuffman]

hedders shouldnt make the car run hotter. if you dont reattach the stock heatshield, the heat will disperse more throughout the engine bay.

 

[ericmetcalf11]

You should really be posting in the 420a bolt-on section.

Get a ram intake or cold intake with a bypass. Headers mainly just shift the power curve. The best thing to get is an UDP.

 

[Locke]

Venom makes a decent intake manifold, but most will agree that a ported factory IM with knife edged injector humps will support a decent amount of power. I believe Modern Performance has 60mm TB's, but a good cheap option would be a modified Jeep TB. The largest gain to be had from the induction area would be a SRI or CAI. Don't waste big dollars on a brand name intake, though. Get a cheap eBay intake and put a K&N, Dryflow, or foam element filter on it.

4-2-1 tubular manifold are difficult to find, most do go with a 4-1. As mentioned, the gain from a tubular manifold is slim, and the power is mostly shifted. A heat shield is always best, but there are no aftermarket manifolds with provisions for one, so you would have to fabricate your own. Heat is not a very big issue, though, on NA 2gnt's.

http://www.dsmtuners.com/sub.php?page=2gntupgrades

BTW: I like the new avatar.

 

[IIv SHaDoW vII]

Thanks everyone.