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mastacer
04-11-2009, 02:05 PM
am thinking about making some more power with the speed3 every one is saying go with a down pipe. but waht power would a be looking at with this kind of setup. DNP Stainless Steel MAZDASPEED Turbo Manifold,COBB Downpipe,Cobb SS 3" Cat Back Exhaust i already have the cob sri and a forge by pass valve just wondering if i put a downpipe on would a really need the manifold. :loco

alhope34
04-11-2009, 04:04 PM
I don't understand what you are trying to say. What mods do you already have??

spd frk
04-11-2009, 04:22 PM
Huh?

I think he is asknig what approximate WHP would he make with SRI, TBE, MANI. In which case not sure, maybe 290whp untuned.

alhope34
04-11-2009, 05:00 PM
Does the manifold really actually do anything decent power wise?

mastacer
04-11-2009, 05:16 PM
Sorry not trying to confuse you I alredy have the Cobb Sri am just wondering does manafold really do any thing other than better flow or am beter of with just going with a full turbo back exhuast

kid_icarus
04-11-2009, 09:16 PM
Sorry not trying to confuse you I alredy have the Cobb Sri am just wondering does manafold really do any thing other than better flow or am beter of with just going with a full turbo back exhuast

from what i've read the best gains are from changing the downpipe/midpipe

then adding an sri (which you already have) + an aftermarket intercooler (mainly a fmic), although i might personally go with a new tmic in order to be budget.

spd frk
04-12-2009, 08:09 PM
I agree with Kid Icarus. The manifold is the last bolt on I would do. Not only is it a hassle, but there are better gains to be had changing to a TBE, and FMIC to optimize the rest of the system first.

mastacer
04-13-2009, 12:35 PM
Would a better top tmic really help or just suffer from heat soak like the mazda one

Fobio
04-13-2009, 12:37 PM
turbo-manifold should be considered when you're upgrading the turbo, perhaps with an External Waste Gate (EWG) as well...otherwise, you won't be able to fully realize its potential.

kid_icarus
04-13-2009, 12:51 PM
Would a better top tmic really help or just suffer from heat soak like the mazda one

it will help
it will heat soak to a certain degree but not nearly as much as a stock one

do some research and read up on it. i've heard ppl gain at the "low end" 10-20hp from just an upgraded tmic
but i mean that's just their review

fmic is clearly the winner but of course it's a little less than double the cost and also double the work to install.

for instant gains and bang for buck the downpipe is the way to go as per the entire mazda community

brecker
04-14-2009, 08:35 AM
CP-E catted Downpipe :hawt I've had mine on for 2 years with ZERO issues.

Unoriginalusername
04-14-2009, 11:01 AM
CPE Catted DP by far is the biggest bang for your buck mod. Like everyone else, no issues, no cel's and by far my favorite.

The MS CAI and Cobb SRI are similar but I liked the SRI more. It sounds better, easier to get at/clean and no hydro lock issues and once you are moving the intake temps are identical. With a HKS BPV the sound combo is great, but the performance isn't really that noticeable

The Cobb FMIC kinda needs the AP to tie everything together, with the other mods the 103 map combined with the FMIC gain is similar to that of the DP.

Cobb SRI and HKS sound
http://www.youtube.com/watch?v=nB1wnKdIT10
http://www.youtube.com/watch?v=gOe0JBhI_8o

CPE TBE sounds
http://www.youtube.com/watch?v=Sb9fwiWacBI

Chesms3
04-18-2009, 03:06 PM
I say replace the rear motor mount first.