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post #1 of 35 (permalink) Old 04-30-2010, 04:50 PM Thread Starter
catchphrase
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The Intake/Inlet Compendium

This guide serves as collective information for all available intakes / turbo inlet pipes for the Mazdaspeed3 at time of last edit. I'll be keeping my eyes open regarding their compatibility specifically for gen2, but I'll be listing everything I come across. Feel free to let me know of anything else you find, if you have any objective pros/cons for any of the mentioned products, or general comments.

4/30/2010

-Need to add pictures, links, dynocharts

Some recurring general properties:

Stock Airbox:

Pro:
  • Guaranteed to be part of warranty
  • Muffles turbo compressor sound
  • Only two clips to swap air filter (no tools required!)
  • Thorough filtration
  • Comes with the car!
Con:
  • Restrictive
  • Muffles turbo compressor sound
Cold Air Intake:

Pro:
  • Filter location improves propensity to receive cooler air
Con:
  • Greater risk of hydrolock
  • More effort required to install, check, remove and replace
  • Longer tube to flop around, potential to hit more areas
Short Ram Intake:

Pro:
  • Easier to install, check, remove and replace
  • Engine bay visibility
  • Less prone to hydrolock
Con:
  • More prone to heatsoak, leading to higher intake air temperature at standstill
  • Engine bay visibility to cops in CA requiring CARB certification
AEM Cold Air Intake / Mazdaspeed Intake

Cost: $280+ (AEM), $320+ (Mazdaspeed)

Pro:
  • If installed by dealer, will not void warranty
  • California Air Regulatory Board (CARB) legal
  • Can be converted to a short ram intake
Con:
  • Expensive
Autoexe Ram Air Intake

Cost: $1000+

Pro:
  • JDM bling
  • Carbon-fiber (?) insulated heat shield/duct
Con:
  • Ridiculously expensive
  • Untested with 2010
Cobb SF Short Ram Intake

Cost: $175

Pro:
  • CARB legal
  • Designed entirely with the goal of insulation against heat
Con:
  • Solid battery mount bracket is reported to break
  • High propensity to cause a CEL for 2010 MS3s (MAF housing is a few mm larger than stock), may require tune to not trigger CEL
Cobb Turbo Inlet Pipe

Cost: $165

Pro:
  • Full silicone hose insulates against engine bay heat
Con:
  • Does not use stock mount

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Last edited by catchphrase; 04-30-2010 at 04:57 PM.
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post #2 of 35 (permalink) Old 04-30-2010, 04:56 PM Thread Starter
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CorkSport Short Ram Intake + Turbo Inlet Pipe

Cost: $239

Pro:
  • Great value for both an intake and turbo inlet pipe
  • Comes with hose to replace factory valve-cover breather tube
  • Turbo inlet mounts to factory hanger location
  • T-bolt clamps come standard
  • Valve cover breather tube is positioned further away from MAF sensor
  • Various color options for MAF, silicone hose, and filter
  • CARB Certified!
  • No longer requires stock recirculation hose to be cut. (upd: 12/22/10)
Con:
  • Intake side is not secured; may have a higher tendency to flop around
CP-E Xcel Cold Air Intake

Cost: $330

Pro:

Con:
  • Expensive
CP-E Xcel Nano Short Ram Intake

Cost: $199

Pro:
  • Comes with a flexible bracket that mounts to the battery tray
  • Mates up using factory valvecover breather hose
  • Comes with 3" and 2.5" silicone hose for different inlet pipes
  • Offers dry or oiled filter as well as prefilter
Con:
  • Comes with worm clamps
  • Crappy, b&w instructions that have inspired people to create their own guides
  • Best coupled with their equally expensive cp-e nviscid turbo inlet pipe
  • Expensive; doesn't go on sale often
CP-E Xcel Nviscid Turbo Inlet Pipe

Cost: $199

Pro:
  • Full multi-layered silicone construction provides further insulation from engine bay heat
  • Mounts to factory hanger location
  • Comes with extended vacuum tube between inlet and boost solenoid
  • Recirculation valve sound (whoosh!) is dampened
  • Can be ordered in various configurations for different turbos (Stock K04 = 2.5")
Con:
  • Irregular shape can add difficulty to installation
  • Comes with worm clamps
  • Recirculation valve sound (whoosh!) is dampened
  • Expensive; doesn't go on sale often

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Last edited by catchphrase; 05-12-2010 at 12:58 PM.
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post #3 of 35 (permalink) Old 04-30-2010, 04:56 PM Thread Starter
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HKS Racing Suction Intake

Cost: $270

Pro:

Con:
  • Expensive
  • Have not seen reviews/tests for 2010
Injen Cold Air Intake System

Cost: $250

Pro:

Con:

K&N Typhoon Cold Air Intake

Cost: $320

Pro:
  • Comes with heat shield
Con:
  • Expensive
ProtegeGarage Full length Short Ram Intake (includes inlet)

Cost: $200

Pro:
  • Cheapest combination available
  • Very basic, no frills combination.
  • Uses K&N standard conal air filter; easy to find & replace
Con:
  • PG has a tendency to dropship items, not necessarily the place to order from if you need things right away
  • Worm clamps
  • May cause CEL without tune

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post #4 of 35 (permalink) Old 04-30-2010, 04:57 PM Thread Starter
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post #5 of 35 (permalink) Old 04-30-2010, 04:57 PM Thread Starter
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post #6 of 35 (permalink) Old 05-01-2010, 12:01 AM
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Ill be posting you up with the Injen SP6063 SRi... I have ordered one.. should be here in a week !
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post #7 of 35 (permalink) Old 05-07-2010, 09:09 AM
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CorkSport Short Ram Intake + Turbo Inlet Pipe

Cost: $239

Pro:

* Great value for both an intake and turbo inlet pipe
* Comes with hose to replace factory valve-cover breather tube
* Turbo inlet mounts to factory hanger location
* T-bolt clamps come standard
* Valve cover breather tube is positioned further away from MAF sensor
* Various color options for MAF, silicone hose, and filter

Con:

* Requires stock recirculation to be cut
* Intake side is not secured; may have a higher tendency to flop around

What exactly does stock recirculation to be cut mean?

Is this on the latest version? Any negative side to this?

Thanks
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post #8 of 35 (permalink) Old 05-07-2010, 01:47 PM Thread Starter
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The recirculation fitting on the Corksport turbo inlet pipe comes out further than stock, so if you want to use your stock recirculation tube with stock BPV, you have to trim off approx 1.5" off. You can purchase an aftermarket silicone hose with a 1 1/8" ID and trim it to work as well if you don't want to alter the stock part. StreetUnit carries this here.

The negative, is that if you want to go back to stock, you can't use this trimmed recirculation tube. Honestly, they could remedy this by including a spare recirculation tube and it's been suggested.

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post #9 of 35 (permalink) Old 06-16-2010, 05:54 PM
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This thread is great. However, I am still confused on the Mazdaspeed CAI and have not been able to search out the answer. I have found an AEM CAI for the 2010 MS3 and supposedly there was one on the SEMA car. Does that mean that there is a mazdaspeed CAI for the 2010? I havent seen one in their online catalogue and my dealer doesnt have a 2010 specific catalogue. Reason I ask is I want to keep the car under warranty. TIA.
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post #10 of 35 (permalink) Old 06-16-2010, 06:30 PM
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Quote:
Originally Posted by nobrakez View Post
Does that mean that there is a mazdaspeed CAI for the 2010?
To my knowledge there have not been any MazdaSpeed branded parts released for the 2010 model year.


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2010 , cai , compendium , cork , injen , intake or inlet , ms3 , sport , sri

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