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richi
10-12-10, 12:33 PM
just wondering which are the better manifolds the 4 2 1 or the 4 1

or does it just depend on who is making it? thinking about buying a new one as i have a powerflow system to the manifold so thinking its time for a upgrade

philip
10-12-10, 01:28 PM
4-2-1 give you more low and mid range grunt 4-1 gives you peak. in all honesty your better off with a 4-2-1 as you spend more time in the mid range than you ever will on full chat. tony law exhausts do an awesome 4-2-1 manifold not sure on prices now but when i got mine maybe 18months or so ago it was £323 posted but my xe is built for 250or so bhp. you may find a janspeed or similar for about £180

Graeme
10-12-10, 01:32 PM
I had a 4-1 Magnex and it was quiet a bit bigger than standard, but as Phil said did shift the power to higher up the rev range, and some times it felt flat until it hit about four grand

philip
10-12-10, 01:35 PM
graeme...your LET built yet?:D