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post #1 of 8 (permalink) Old 05-10-2018, 05:34 PM Thread Starter
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Hello, Hello, Hello, Mr or Misses Fancypants

Hey Guys, and Gals


I am new to the forum, and also new to owning a Mazda 3. I have a grey 2007 Mazda 3 2.3l auto trans, and yes I did buy it used. Overall I am really digging the Mazda, and it feels like a good reliable car thus far I have had it for a little over a yea with minimal complications dealt with. I really Joined up because like with all my other previous cars I like to modify them to make them my own unique one of a kind car, and I need advice, and insight on good ways to start with the Mazda, and good reliable parts to go with.


My car is entirely stock besides for my HPS cold air intake, and also my Corksport Catback Exhaust with racepipe second Cat had been deleted.


Reasons why I am here summarized short before being posted other places.


I want to know of more performace mods I can do, and am I really limited to only CAI/ SRI, Exhaust, Header, and Intake Manifold, Tune? If not I am wondering of other things I can do like think outside the box little things I guess.


I have an HPS changeable cold air to short ram intake currently with the extra pipe making a cold air intake at the moment. However I am from New York, and we get rain, and snow so it would most likely be a good idea for me to make it into a SRI. My only concern is should I buy a new Intake one that is actually designed specifically as a SRI, or will the changeable one work the same? I know dumb question, but it bothers me lol


If I do decide to go, and buy A SRI I was looking into the Corksport SRI does anyone here have experience with them. Just wondering because I see that there SRI does not come with a heatsheild, and just about every other brand SRI includes 1 do they really make a difference or no?


As for suspension I am also trying to make my car ride smoother gliding over the road this is my daily driver what would be a good area to start there cause suspension needs I am completely clueless?


My skidplate also broke off, and I been without for a while since it is broken, and I have to replace I was thinking of getting and aluminum one instead of the plastic, but they are pricey Corksport I seen has one but I was wondering what are everyone elses take on that type of skidplates, and they worth getting or just a good way to throw away money.


thank you for your time I am looking forward to myself, and also everyone here to be of assistance to one another
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post #2 of 8 (permalink) Old 05-10-2018, 09:51 PM
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I'm sure the stock skidplate is about the same price.
SRI is good for noise bad for performance. I'm sure you're changeable one is just as good. Corksport seems to be a well respected tuning brand.
Start by fixing whatever is broken to get a smoother ride. Not sure what kind of handling issues or noises you have. If you replace struts and shocks also replace the springs. Springs aren't supposed to wear out but a few years of working on cars and ownership have shown me that they do wear out.

I do this from my phone. Do the BSD. Powered by Mazda 2.5l. Zoom-zoom 😎
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post #3 of 8 (permalink) Old 05-11-2018, 07:36 PM
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Quote:
Originally Posted by MazdaNoob89 View Post
My car is entirely stock besides for my HPS cold air intake, and also my Corksport Catback Exhaust with racepipe second Cat had been deleted.
Did you install these parts or did you buy it this way? If you installed them, what type of power increase did you get, if any? Was the increase, if any, worth the cost and would you do it again? Just curious because I hear a lot of opinions about these mods from people that have probably never personally done them. Your first hand experience would be appreciated.

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post #4 of 8 (permalink) Old 05-12-2018, 09:07 AM
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post #5 of 8 (permalink) Old 07-12-2018, 12:29 AM Thread Starter
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Quote:
Originally Posted by rickkari View Post
Quote:
Originally Posted by MazdaNoob89 View Post
My car is entirely stock besides for my HPS cold air intake, and also my Corksport Catback Exhaust with racepipe second Cat had been deleted.
Did you install these parts or did you buy it this way? If you installed them, what type of power increase did you get, if any? Was the increase, if any, worth the cost and would you do it again? Just curious because I hear a lot of opinions about these mods from people that have probably never personally done them. Your first hand experience would be appreciated.
Yes I did instal them both myself I got more throttle response and gains I feel from the cai. Along with a bit faster acceleration. I do believe it did make my gas consumption a little worse I didn't run it on a dyno test just from personal feel I would say it. The cai I would definitely do it again if I had the chance to.

As for the cat delete and catback exhaust I feel this was a waste of money and did not get anything other than a sound increase, and if I had the chance I would have done this differently. However it is done and over with and I have to work around and learn from my mistakes.

Alone a catback exhaust is not enough for any actual gains or feelings of an increase in power.
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post #6 of 8 (permalink) Old 07-12-2018, 11:19 AM
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Reading what you posted...I recomend first to

Re-install the CAT. You are not a track racer and the CAT (A catalytic converter is a device that uses a catalyst to convert three harmful compounds in car exhaust into harmless compounds.) not only cleans the air we all share and breath but also keeps the exhaust temperatures high close to the head which makes for high velocity levels in the exhaust helping to maintain power output at low engine speeds.

Fundamentally speaking most retail offered cold air intake do not favorably work well enough for the daily drivers. They do look and sound good though.

Very few people in the world can feel a 10 horsepower increase in an engine (we are talking about this forum respectably)and most parts added to increase horse power are at the high levels of engine speeds. This is something that suppliers of aftermarket parts capitalize on when they advertise increases "up to" in their ads.

The reason many engine upgrades tend to have the feel (illusion) like they have more power is the sound and driving style change after they are installed. Most of us like the new sound so we tend to throttle more aggressively. This leads to the MPG going down, using higher engine speeds then normal established driving habits equates to the false sence that we have gained more power. This "butt dyno" evaluation is often expressed on forums by members. If you ever did Drag Racing and kept your time slips or naturally the Chassis Dyno testing can show real world results often in conflict with reports on forums. BTW the term and suggestion to use a DYNO is all good I also recomend it but my guess is less then 1% of car enthusiasts that mod ever have it done and it may be the same for getting time slips at a Drag Raceway (track with a regulated starting tree )?

Suspension thoughts for improved ride quality is always the tires first. Most of the time when I do replace customers dampeners with even OEM from the dealer struts and shocks they often complain that the ride seems rougher. Riding on worn dampeners will often also give a softer ride on smooth and even roads. lol

Coil Springs DO NOT wear out. Let me be precise here before I get "dogged" by a few that spend to much time on the internet instead of learning in a classroom about physic's. The rate of the spring(un-modified by heating or cutting) will not change with age or use but you can get spring "sagging which changes the ride height. In the factory Service manual you can find the specification for what your vehicle is suppose to be. Here is a funny thought, when you install lowering springs you are no longer at the engineered and designed specification of your vehicle.


I recomend ECU calibration only after all the engine upgrades have been installed to tie everything together to work in "harmony". Unfortunately this does not make the money for suppliers of ECU products and them selling "CAN TOOONS". So many will often recomend them first because of the power increase presented with the basic universal calibration. Yes many better ECU vendors can yield as much as 15-30 HP gain on many 4 cylinder platforms but that's it without supporting hard parts on or in the engine. i.e. a performance head and cam on most 4 cylinder platforms can make as much as 30HP gain. Add a well scheduled through data logged information, ECU calibration you can yield 35-45+ total HP gain. Cal So many times when you do the math 1hp gain per dollar cost may not fit into someones budget but should be a consideration for all the engine "go-faster" parts including a ECU/EFI Performance Calibration.

I will try to first recomend transferable items that will improve the overall performance in both power and MPG. That said a quality water/Meth system (SNOW PERFORMANCE) will yield great results easy for a DIY even a first timer to install and can be removed and installed on another vehicle without having to un-marry it or pay for additional licence fee's like many ECU applications require.

Here is a write up I did that may be of interest to you?
https://www.mazda3forums.com/57-mazd...l#post10143446


Good Luck and HAPPY MODDING!
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Last edited by M3RacerX; 07-12-2018 at 11:28 AM.
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post #7 of 8 (permalink) Old 07-12-2018, 06:40 PM
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I have the exact exhaust system and intake you do but on my 2007 Mazda 3 I 2.0L with the auto trans. I'm actually currently undergoing the process of a 93 octane tune from Orange Virus, so I'll let you know if a tune is worth it!

Problem+Speedsquare=Fixed
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post #8 of 8 (permalink) Old 07-13-2018, 11:01 PM Thread Starter
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Awesome most definitely let me know, I will let you k ow how other mods run on my car as well once I do the next few mods I have in mind will be for handleing, stability, and suspension. I also plan on getting a voltage condenser for some of my engine grounds.

How much does a tune like the run for just asking out of curiosity.

Quote:
Originally Posted by Reprimendi View Post
I have the exact exhaust system and intake you do but on my 2007 Mazda 3 I 2.0L with the auto trans. I'm actually currently undergoing the process of a 93 octane tune from Orange Virus, so I'll let you know if a tune is worth it!
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