There are several makes of header on the market but I'd recommend one that has a 6-into-2-into-1 pattern with a 2.5" collector. An exhaust shop can fabricate a 2.5" mandrel-bent downpipe for you....
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Type: Posts; User: Cheromaniac; Keyword(s):
Re: 99 to 01 intake swap to an older xj
There are several makes of header on the market but I'd recommend one that has a 6-into-2-into-1 pattern with a 2.5" collector. An exhaust shop can fabricate a 2.5" mandrel-bent downpipe for you....
Re: 99 to 01 intake swap to an older xj
That guy had also changed the injectors before the "after" dyno test so the baseline dyno might have been lower than it should have been due to bad injectors. A claimed 15hp gain with just an '00+...
Re: 99 to 01 intake swap to an older xj
Sorry to take so long to reply but I've had a busy week at work and I've been coming home too late to get photos.
I did an '01 XJ intake manifold swap into my '92 XJ nearly 7 years ago and I also...