flowmaster merge provide any gains?
#1
flowmaster merge provide any gains?
quick question related to a similar thread, does the flowmaster merge provide any gains over a traditional ORY like the bbk long tube and ORY i currently have? i heard through some research that its a smoother transition or whatnot and provides some gains. looking for any evidence.
#5
11 Second Club
iTrader: (7)
when i had my macs, i replaced the mac merge with a flowmaster one and it made a big difference in power. most noticeable on the highway at passing other cars. also sounded better too. I recently went to duals though so if you plan to do your exhaust id be selling my whole mac setup.
#7
TECH Junkie
iTrader: (11)
Im gonna say yes because the FM merge has 2 options when using 3" pipe. They make a 3.5 merge and a 4" merge. Both designs are considerably larger than a 3" merge.
Its all about that bottleneck and the higher you go in power the more bottleneck you are gonna have with the 3"merge
Its all about that bottleneck and the higher you go in power the more bottleneck you are gonna have with the 3"merge
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#8
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The gain is purely from eliminating badness in whatever
merge you had.
I've seen craptastic merges from Jet-Hot and the old
style multisegment TSP ORY. Just terrible, you can see
just by inspection how one side wants to throw some
reversion up the other collector branch on the Jet-Hot
and both of them had the pipe-T-into-pipe construction
with about a half an inch of stick-in for some sweet
turbulence and dog-whistle action.
On the other hand my silly little SLP ORY has a nice
merge quite similar to the Flowmaster, as do some of
the better header systems for our cars.
If you replace great with great, gain = 0. What what
you've got looks like, is the question that matters.
merge you had.
I've seen craptastic merges from Jet-Hot and the old
style multisegment TSP ORY. Just terrible, you can see
just by inspection how one side wants to throw some
reversion up the other collector branch on the Jet-Hot
and both of them had the pipe-T-into-pipe construction
with about a half an inch of stick-in for some sweet
turbulence and dog-whistle action.
On the other hand my silly little SLP ORY has a nice
merge quite similar to the Flowmaster, as do some of
the better header systems for our cars.
If you replace great with great, gain = 0. What what
you've got looks like, is the question that matters.
#12
Pontiacerator
iTrader: (12)
These newer style merges are closer to a true Y merge than those like in the pic above. So although the FM transitions better and doesn't neck down to 2.75" like the others, I don't see there being much of a gain. Now swapping the FM in for one like in the pic has to be worth a few ponies and some good torque as well.
#14
TECH Junkie
iTrader: (11)
I just find it hard to believe a 3" single pipe is sufficient considering even with 3" duals my car gains around ~.1 et and ~1mph with dual cutouts.
If for some reason I absolutely had to run a y pipe, it would be 3" to 4" for anything other than a bolt on only car.
If for some reason I absolutely had to run a y pipe, it would be 3" to 4" for anything other than a bolt on only car.
#17
TECH Fanatic
I definitely gained something from my new 3" tsp y to my homemade 2.5" mandrel bent x setup. Way more torquey than before. Better clearance too.
I bought a bbk y to modify and make better than my current duals. Would running the bbk as is in 2.5 Y form.. am I hurting anything vs a 3" y?
I bought a bbk y to modify and make better than my current duals. Would running the bbk as is in 2.5 Y form.. am I hurting anything vs a 3" y?