ChevyChad

iTrader: (50)

Dynoed my car this friday and made a decent gain with the headers. Not too shabby for 6 psi



I put the 12-bolt in sunday and I'm ready to go put that power to the ground now!

Tiago

iTrader: (27)

nice numbers Chad. Now crank up the boost

ChevyChad

iTrader: (50)

Thanks Tiago I'll crank up the boost when I have another car and can afford to rebuild the engine with more cubes and less compression

CHRISPY

Those MACs are decent headers and ground clearance is great

kp

iTrader: (34)

I switched from JBA shorties (no better then stock manifolds really) to MACs with cats and picked up like 50rwhp back in 2001 with a P1SC/2000 z28 (476rwhp)

FWIW I switched to a set of FLPs LTs and didnt pick up anything, the MACs work pretty well on milder FI cars and you cant beat the fit.

Packy

iTrader: (11)

I have the Macs too and when I added an OR Y-pipe I gained like 21 rwhp and 12 ft. lbs! They do pretty good! Some people have doubted them, but a buddy of mine switched his over from Macs to Hookers and his dyno looked the same and the car ran the same times!

ChevyChad

iTrader: (50)

Yeah, ground clearance is just as good as stock. That is the main reason I went with MAC's with my lowered car