SET YOUR CAR
FREE SHIPPING
On orders over $200
TALK TO A PARTS EXPERT
RALLYSPORT GUARANTEE
100% Money Back on Select Parts
Product images
Product Media
COBB Tuning Downpipe Catted Bellmouth - Subaru WRX/STi 2002-2007 / Forester XT 2004-2008
COBB Tuning Downpipe Catted Bellmouth - Subaru WRX/STi 2002-2007 / Forester XT 2004-2008
COBB Tuning Downpipe Catted Bellmouth - Subaru WRX/STi 2002-2007 / Forester XT 2004-2008
COBB Tuning Downpipe Catted Bellmouth - Subaru WRX/STi 2002-2007 / Forester XT 2004-2008
COBB Tuning Downpipe Catted Bellmouth - Subaru WRX/STi 2002-2007 / Forester XT 2004-2008
COBB Tuning Downpipe Catted Bellmouth - Subaru WRX/STi 2002-2007 / Forester XT 2004-2008
Community Media
User Media for: COBB Tuning Downpipe Catted Bellmouth - Subaru WRX/STi 2002-2007 / Forester XT 2004-2008
User Media for: COBB Tuning Downpipe Catted Bellmouth - Subaru WRX/STi 2002-2007 / Forester XT 2004-2008

COBB Tuning Downpipe Catted Bellmouth

Subaru WRX/STi 2002-2007 / Forester XT 2004-2008

Read 6 Reviews | 25 Q&As
Part # 512203
$650.00

In stock!

Features & Product Details

The COBB Tuning Catted Bellmouth Downpipe has one purpose and that is to add more horsepower and torque.  It is a direct replacement of the highly restrictive factory downpipe, and it is the result of COBB's countless hours of research and testing to deliver the consumer a product that is satisfying in power and performance. This downpipe combines smooth mandrel bends with increased piping diameter that will reduce exhaust turbulence under boost. This will also result with improved throttle response and reduced turbo lag. 

This downpipe has been fabricated from 304 Stainless Steel, and the piping diameter is 3", however it does taper down to the 2.5" stock flange for those of you who are going to retain the stock cat-back exhaust system.

There will be two O2 provisions for those who need to install their O2 sensor or an optional wideband gauge. 

Because this product replaces/removes an OEM emissions control device we must state that this product is for offroad use only.

Product Video

Specifications

Brand: COBB Tuning
Includes Catalytic Converter: Yes
Installation Hardware Included: No
Mouth Design: Bellmouth
Piping Coating: No
Piping Flex Joint: No
Piping ID: 3.00in
Piping Material: 304 Stainless Steel
Piping Taper: Yes
Tuning Required: Yes
Mfgr. Warranty: 1 Year
Condition: New Product
Return Policy:

RallySport Guarantee - 30 Days


Items that are covered under the RallySport Guarantee offer a 30 day no questions asked return policy.

RallySport Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.

The RallySport Guarantee does not apply to products that have been modified, damaged, misused or abused. All returns require an RMA (Return Merchandise Authorization) Number, and freight charges are strictly non-refundable. For more information regarding our freight refund policy, please refer to our return policy page found HERE.
RallySport Guarantee
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

PEOPLE WHO VIEWED THIS ITEM ALSO VIEWED

REVIEWS & CUSTOMER MEDIA

6 Reviews
4.8 out of 5 Stars
5 Stars
(5)
4 Stars
(1)
3 Stars
(0)
2 Stars
(0)
1 Stars
(0)
Customer Photos and Videos
COBB Tuning Downpipe Catted Bellmouth ( Part Number: 512203)
COBB Tuning Downpipe Catted Bellmouth ( Part Number: 512203)
Very easy to install, just do it... 1 year ago
5out of 5stars

I wanted to retain my factory cat back on my 2006 STi so I went with this piece. The old exhaust piece came off with no drama and the new piece went in just as easy. Installed this and got a protune, very happy with the outcome. The only thing I will say is that I wish it came with a new turbo to down pipe gasket, I guess for some reason I thought that it would so when it arrived I had to run to the dealer fast to get one.
  
Was this review helpful?
1 of 1 people found the following review helpful
Great Quality 4 years ago
5out of 5stars

Glad i saved up alittle longer to purchase this dowpipe,the quality and fitment are fantastic,would highly recommend,turbo sound is much improved.
  
Was this review helpful?
Cobb Tuning Downpipe 4 years ago
5out of 5stars

No reason to wait on this upgrade. Everything is as advertised. Couldn't be happier!
  
Was this review helpful?
2 of 3 people found the following review helpful
04 FXT 5MT 4 years ago
4out of 5stars

I installed this on my FXT a week ago. Put about 1k miles on the pipe so far. Everything went smooth on the install. Only complaint is the welded on bracket. The bracket sits so close to the trans mount that it was rattling like hell upon acceleration and making a horrific sound. I ended up pushing the pipe as far away from the mount as possible (which is only a few millimeters away) then tightening the bolt to keep it away. Also cut a piece of fuel line and put it on the trans mount to dampen the noise. This is most likely caused by a few things like my old ass 04 trans mount with old rubber and other related bushings that have 200k miles on them. Other than that, it is an amazing DP and install went smooth with fresh gaskets and spring bolts.
  
Was this review helpful?
1 of 1 people found the following review helpful
Impressive Bang for the Buck 5 years ago
5out of 5stars

I bought this for installation by a very good shop on my 2007 WRX, at their recommendation. Since they did the installation I can't comment directly on the fit of the part, and the box was too big to invite opening when it was delivered. Getting the car back from the shop was a real treat; its responsiveness was quite noticeably improved, coupled with the up-pipe and the ECU remapping done with the Access Port. All in all, just what I had hoped for.
  
Was this review helpful?

QUESTIONS & ANSWERS

  • Q: Installation Hardwre  av3fire1 month ago

    I have a catted Cobb downpipe for 2002 WRX The features says no installation hardware included is there an installation hardware kit available? with gaskets and nuts/bolts
    • 0 of 0 people found the following answer helpful

      A:  Cobb expects you to re-use your factory hardware if you're hooking it up to the stock catback, but if your hooking it up to an aftermarket catback you will use the hardware that comes with the catback. I would however recommend getting a new turbo to downpipe gasket. thanks

      Rick C. @ RallySport Direct 1 month ago  
        
      Was this answer helpful?
  • Q: Fitment  ooosorio5 months ago

    I have a 2013 wrx hatch. Will this link up with my tomei CBE?
    • 0 of 0 people found the following answer helpful

      A:  This will not fit your 13 WRX. You'll want part number COB524203, and you will also need GRM077046 to bolt it to your Tomei catback.

      Marcus E. @ RallySport Direct 5 months ago  
        
      Was this answer helpful?
  • Q: About cat.conv. in downpipe  UAAC7 months ago

    Why did Cobb switch 400 cpsi cat. in this downpipe instead of 200 cpsi one in old version (part number: 512202)?
    • 0 of 0 people found the following answer helpful

      A:  Unfortunately, we cannot speak on behalf of the manufacturer.. I would recommend contacting Cobb directly to see if they can answer your question.

      Brady R @ RallySport Direct 7 months ago  
        
      Was this answer helpful?
  • Q: able to pass emissions  Nelson Asay9 months ago

    Will this be able to pass emissions in Utah County?
    • 0 of 0 people found the following answer helpful

      A:  I would recommend contacting a local emissions shop for their input, regulations vary from place to place.

      Marcus E. @ RallySport Direct 9 months ago  
        
      Was this answer helpful?
    • 0 of 0 people found the following answer helpful

      A:  If the person is doing a visual inspection, they might fail you because this pipe has only 1 cat where the stock has 2.

      striker775 @
        
      Was this answer helpful?
  • Q: Cobb downpipe  Trabus2310 months ago

    Will this fit on an 06 9-2x aero? the site is saying no but then saying it fits on an 06 wrx wagon.
    • 0 of 0 people found the following answer helpful

      A:  This may, but we cannot confirm fitment.

      Tylo R @ RallySport Direct
        
      Was this answer helpful?