Re: Measuring stock exhaust restriction
Free bump to a good thread.
I did my exhaust a couple of days ago and good lord did the thing wake up.
Full 3" split to 3" on both sides to two glass packs and 4" circular tips all stainless.
Deep rumble at idle and cruising speeds and loud at WOT.
Sounds alot like a BORLA. Anyways, no other changes and the car just flies, much harder than before.
I have to wait till it warms up to go at it again with a logger because it has been really cold around here as of late and TC'ed cars love cold air, so I know some of the effect is from the straight through plumbing and some is from the cold weather. I need to get a feel for it without the cold weather to see how much is just from the exhaust but that 6k-7k area seems to really like the new exhaust.
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His - Red 93 RT/tt
Mods: Hallman's MBC @ 16 psi, turbo XS type H BOV, stillen dp, custom exhaust, Spec stage 2 clutch, RPS FW, 3sx lightweight crank pulley, BCP7RES-11 @ .030 gap, autometer gauges, slightly gutted mas, dsm SMIC's, ACPT 1 piece CFDS, Tein S springs, pte 580 inj's, safc neo/SITC, 13t's, hotwired walbro, maximal performance solid motor mounts, DR plenum spacer.
Hers - BPU Green 94 vr4
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