2.5" in/out cat?

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  • asubimmer
    R3V OG
    • Jul 2004
    • 6482
    #1

    2.5" in/out cat?

    did and bmw's come w/ a 2.5" in/out cat? I am going to need one for my turbo set-up for my "high flow" (ie straight pipe) cat. Oh and it needs to be a single in/out.
    ///Alpinweiß II 24v 91' 318is, Alpinweiß III 99' 323i, 04' Yamaha R6 SE for sale, 00' VW GTi, 83' El Camino BURNED, 01' P71sold, 92' Miatasold
    Tags: None
    • asubimmer
      R3V OG
      • Jul 2004
      • 6482
      #2
      bump
      ///Alpinweiß II 24v 91' 318is, Alpinweiß III 99' 323i, 04' Yamaha R6 SE for sale, 00' VW GTi, 83' El Camino BURNED, 01' P71sold, 92' Miatasold

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        • Jordan
          R3V OG
          • Oct 2003
          • 12907
          #3
          Some of the V8 cars perhaps, or e46 M3 (cats are in the downpipes ~6in from the head)
          Tenured Automotive Service Professional - Avid BMW Enthusiast

          Vapor Honing & E30 ABS Pump Refurbishment Service
          https://mtechniqueabs.com/

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            • straight6pwr
              No R3VLimiter
              • Sep 2004
              • 3450
              #4
              Originally posted by asubimmer
              did and bmw's come w/ a 2.5" in/out cat? I am going to need one for my turbo set-up for my "high flow" (ie straight pipe) cat. Oh and it needs to be a single in/out.
              i believe magnaflow sells a 2.5in high-flow cat.

                Comment

                • e30Matt
                  R3V Elite
                  • Dec 2003
                  • 5077
                  #5
                  Originally posted by asubimmer
                  did and bmw's come w/ a 2.5" in/out cat? I am going to need one for my turbo set-up for my "high flow" (ie straight pipe) cat. Oh and it needs to be a single in/out.
                  Why don't you just leave the cat out entirely? We don't have to pass emissions after Jan 1, 2006.

                  "See, we're adding a little something to this month's sales contest. As you all know, first prize is a Cadillac Eldorado. Anyone wanna see second prize? Second prize is a set of steak knives. Third prize is you're fired."

                    Comment

                    • Digitalwave
                      is a poseur
                      • Oct 2003
                      • 6276
                      #6
                      Originally posted by e30Matt
                      Why don't you just leave the cat out entirely? We don't have to pass emissions after Jan 1, 2006.
                      I think he means he is going to hollow it out and put a pipe through it so he can pass visual inspections.

                      RISING EDGE
                      Let's drive fast and have fun.

                        Comment

                        • Rob
                          Moderator
                          • Oct 2003
                          • 8166
                          #7
                          Magnaflow=CarSound

                          http://www.car-sound.com/
                          BEERTECH

                            Comment

                            • Budget Beater
                              Banned
                              • Aug 2005
                              • 230
                              #8
                              Catco ones are on ebay for $36, magnaflows are on ebay for $52 i believe. ebay is definitely cheapest place. I got catco cat, its good enough for 6.2L so it will be plenty for our cars and im sure its hell of alot better than what its got stock.

                                Comment

                                • JRKOUPE
                                  No R3VLimiter
                                  • Dec 2004
                                  • 3159
                                  #9
                                  call Performance Peddler.....MF ss cat 2.5/2.5....under 40 bucks!!!!!just bought one.....tell em you got them thru BMW forums......
                                  I love sitting down and just driving!

                                    Comment

                                    • asubimmer
                                      R3V OG
                                      • Jul 2004
                                      • 6482
                                      #10
                                      Originally posted by JoelRKaplan
                                      call Performance Peddler.....MF ss cat 2.5/2.5....under 40 bucks!!!!!just bought one.....tell em you got them thru BMW forums......
                                      wow thats really good...thanks man
                                      ///Alpinweiß II 24v 91' 318is, Alpinweiß III 99' 323i, 04' Yamaha R6 SE for sale, 00' VW GTi, 83' El Camino BURNED, 01' P71sold, 92' Miatasold

                                        Comment

                                        • MR 325
                                          Moderator
                                          • Oct 2003
                                          • 37825
                                          #11
                                          I bought a 3" in/out Catco on ebay for around $40 shipped and gutted it, gotta make it look legal here in Cali ;)
                                          BimmerHeads
                                          Classic BMW Specialists
                                          Santa Clarita, CA
                                          www.BimmerHeads.com

                                            Comment

                                            • NC325iC
                                              R3V OG
                                              • Mar 2004
                                              • 6565
                                              #12
                                              you think you could put in a glasspack where a cat should be and say thats a cat
                                              Your signature picture has been removed since it contained the Photobucket "upgrade your account" image.

                                              Originally posted by TimKninja
                                              Im more afraid of this thread turning into one of those classic R3v moments, where Pizza gets delivered.

                                                Comment

                                                • var1ant
                                                  E30 Addict
                                                  • Apr 2005
                                                  • 509
                                                  #13
                                                  Originally posted by e30Matt
                                                  Why don't you just leave the cat out entirely? We don't have to pass emissions after Jan 1, 2006.
                                                  wait what?
                                                  '87 alpine white 325is

                                                    Comment

                                                    • asubimmer
                                                      R3V OG
                                                      • Jul 2004
                                                      • 6482
                                                      #14
                                                      Originally posted by var1ant
                                                      wait what?
                                                      yeah in 06' all 95' and lower cars don't have to pass emmissions :)
                                                      ///Alpinweiß II 24v 91' 318is, Alpinweiß III 99' 323i, 04' Yamaha R6 SE for sale, 00' VW GTi, 83' El Camino BURNED, 01' P71sold, 92' Miatasold

                                                        Comment

                                                        • tonytony
                                                          Knee deep in poopie
                                                          • Jan 2004
                                                          • 3498
                                                          #15
                                                          Originally posted by asubimmer
                                                          yeah in 06' all 95' and lower cars don't have to pass emmissions :)
                                                          wait, what? is this for NC only or for the whole united states?

                                                            Comment

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