Low End not good enough!

D

dima_rus

Member
A lot of you guys and gals probably have a CAI in your Mazda 5 and hopefully noticed that our car has a really pure respond while driving under 3000rpm.
I am currently planning on getting rid of the second cat and resonator and running a straight pipe instead. Do you think it will improve the low end?

For those who replaced or modded the exhaust system, did you notice any gains at all?

The reason I'm asking about it is because I had a mazda 6 2.3L in the past and that car only has 1 cat. After I replaced my exhaust system on the car with Magnaflow cat back I had a small gain (2-4 hp), but even comparing two cars in stock condition mazda 6 has a lot more whp then mazda 5.

Please share your thoughts and ideas.

Thanks in advance.
Dima
 
Naughty!:eek:

I would love to try it, but it is not worth the jailtime and fines that they have here in California.(sad2)

That being said, wouldn't an electric exhaust bypass/cutout valve be the way to go? That way you could have the best of both worlds. A quiet unmodded exhaust one moment, flip the switch, and presto you have open exhaust! (band2)
 
I'm used to driving my VW TDI and I love the low end torque. With a chip, injectors and intake - my VW TDI is near 220-250 ft/lbs torque & 120HP (never dynoed but it's clamied). Diesel driving isn't about hp, it's all torque baby! Especially in America - when can you use the upper end horsepower anway? But torque OTOH makes me giggle every time!

It's what I call drivability, but the Mazda 2.3 lacks the low end ooomph.
I agree, we need more low end torque.
michael.
 
Last edited:
Venom or whoever else has an aftermarket exhaust system, can you please post some pics of your setup please.

Dima
 
im 99 percent sure im going to use the autoexe exhaust. the sound is awsome, not loud, but more hp and torque from what they are saying. then I may dive into the motor with some new cams, and maybe new pistons to bump compression a bit. that gives more torque too.
 
Be aware of HP claimes made by people peddling "performance parts".


Think about it. If you gain 5-10 HP, you won't even be able to feel it. If you say you can, you must be the princess that felt the pea.

A 5-10 hp increase on a vehicle that weighs 3,300 lbs is very negligable.
 
I will have to disagree with the last statement. You can definitely feel extra 5-10whp on top of 120whp. That's why just by adding CAI you can feel the car pull a lot better.
 
Hmmm.... I've never, ever found the performance of the 5's engine lacking. I have more than enough power to keep up with, or overtake, traffic or pull out on a busy road.

Plus, I've driven everything from Honda Accords to Land Rover LR3's, and find the 5 very mechanically refined. I can't imagine a smoother 4-cyl powertrain!
 
A CAI will rarely if ever improve the low end.
You are looking for more torque.
Sorry to say but the only real way to do that with our 2.3 is with a supercharger.
The difference between the 3 and 5 is solely the weight difference.
The specs are the same.

For a 2.3 and the weight of the 5 this things runs fine.
(and I've owned V8 Mustangs, wife currently drives an IS...)
If you really want to launch off the line, you need a different car. ;)
 
Last edited:
and bootman, where would we find a nice roots style S/C for our car? i would LOVE TO HAVE ONE! Not for racing around but for all out drive abitility...since we only have 2 way roads, passing times are important to me...as well as pulling out into traffic, an sc would make this car fantastic...
 
Please log in or register to reply here.

Similar threads

H
2014 Mazda5 Rear end creaking
Replies
1
Views
964
Jvmarino
J
U
Mazda5 ABS HCU Replacement cross reference with Ford question
Replies
2
Views
1K
MolarCraft
MolarCraft
K
Manual Mazda5 - Need help with Replacement Part Numbers for exhaust
Replies
4
Views
2K
Maikel
M

Latest posts

Back