The MagnaFlow 4" X 34" Extension 15451 includes a 34in. long, 4in. diameter stainless steel pipe optimized for superior flow characteristics and performance. 15451 is produced using precision CNC robotic manufacturing techniques and features 100% durable, corrosion resistant stainless steel construction. Professional installation is highly recommended.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2001-2005 | Chevrolet | Silverado 2500 HD | Base |
| 2001-2006 | Chevrolet | Silverado 2500 HD | LS |
| 2001-2006 | Chevrolet | Silverado 2500 HD | LT |
| 2004-2006 | Chevrolet | Silverado 2500 HD | WT |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LT |
| 2007 | Chevrolet | Silverado 2500 HD Classic | WT |
| 2001-2005 | Chevrolet | Silverado 3500 | Base |
| 2001-2006 | Chevrolet | Silverado 3500 | LS |
| 2001-2006 | Chevrolet | Silverado 3500 | LT |
| 2004,2006 | Chevrolet | Silverado 3500 | WT |
| 2007 | Chevrolet | Silverado 3500 Classic | LS |
| 2007 | Chevrolet | Silverado 3500 Classic | LT |
| 2007 | Chevrolet | Silverado 3500 Classic | WT |
| 1998-2002 | Dodge | Ram 2500 | Base |
| 2003,2005-2007 | Dodge | Ram 2500 | Laramie |
| 2003-2007 | Dodge | Ram 2500 | SLT |
| 2006-2007 | Dodge | Ram 2500 | Sport |
| 2003-2007 | Dodge | Ram 2500 | ST |
| 2006-2007 | Dodge | Ram 2500 | TRX4 |
| 1998-2002 | Dodge | Ram 3500 | Base |
| 2003-2007 | Dodge | Ram 3500 | Laramie |
| 2003-2007 | Dodge | Ram 3500 | SLT |
| 2006-2007 | Dodge | Ram 3500 | Sport |
| 2003-2007 | Dodge | Ram 3500 | ST |
| 2007 | Dodge | Ram 3500 | TRX4 |
| 2003 | Ford | Excursion | Eddie Bauer |
| 2000-2003 | Ford | Excursion | Limited |
| 2000-2003 | Ford | Excursion | XLT |
| 2004-2007 | Ford | F-250 Super Duty | Harley-Davidson Edition |
| 2004-2007 | Ford | F-250 Super Duty | King Ranch |
| 1999-2007 | Ford | F-250 Super Duty | Lariat |
| 1999-2007 | Ford | F-250 Super Duty | XL |
| 1999-2007 | Ford | F-250 Super Duty | XLT |
| 2004-2007 | Ford | F-350 Super Duty | Harley-Davidson Edition |
| 2003-2007 | Ford | F-350 Super Duty | King Ranch |
| 1999-2007 | Ford | F-350 Super Duty | Lariat |
| 1999-2007 | Ford | F-350 Super Duty | XL |
| 1999-2007 | Ford | F-350 Super Duty | XLT |
| 2002-2005 | GMC | Sierra 2500 HD | Base |
| 2001-2002,2006 | GMC | Sierra 2500 HD | SL |
| 2001-2006 | GMC | Sierra 2500 HD | SLE |
| 2001-2006 | GMC | Sierra 2500 HD | SLT |
| 2003-2006 | GMC | Sierra 2500 HD | WT |
| 2007 | GMC | Sierra 2500 HD Classic | SL |
| 2007 | GMC | Sierra 2500 HD Classic | SLE |
| 2007 | GMC | Sierra 2500 HD Classic | SLT |
| 2007 | GMC | Sierra 2500 HD Classic | WT |
| 2002-2005 | GMC | Sierra 3500 | Base |
| 2001-2002,2006 | GMC | Sierra 3500 | SL |
| 2001-2006 | GMC | Sierra 3500 | SLE |
| 2001-2006 | GMC | Sierra 3500 | SLT |
| 2004-2006 | GMC | Sierra 3500 | WT |
| 2007 | GMC | Sierra 3500 Classic | SL |
| 2007 | GMC | Sierra 3500 Classic | SLE |
| 2007 | GMC | Sierra 3500 Classic | SLT |
| 2007 | GMC | Sierra 3500 Classic | WT |
- 1998-dodge-ram-2500-base-esi1207481
- 1998-dodge-ram-3500-base-esi6179042
- 1999-dodge-ram-2500-base-esi9505491
- 1999-dodge-ram-3500-base-esi4697559
- 1999-ford-f-250-super-duty-lariat-esi1877973
- 1999-ford-f-250-super-duty-xl-esi8164305
- 1999-ford-f-350-super-duty-lariat-esi6874577
- 1999-ford-f-350-super-duty-xl-esi6289566
- 1999-ford-f-350-super-duty-xlt-esi9847053
- 2000-dodge-ram-2500-base-esi8430288
- 2000-dodge-ram-3500-base-esi7651079
- 2000-ford-excursion-limited-esi3306780
- 2000-ford-f-250-super-duty-lariat-esi8651172
- 2000-ford-f-250-super-duty-xl-esi6438458
- 2000-ford-f-250-super-duty-xlt-esi8342065
- 2000-ford-f-350-super-duty-lariat-esi9669759
- 2001-chevrolet-silverado-2500-hd-base-esi7580079
- 2001-chevrolet-silverado-2500-hd-ls-esi3099937
- 2001-chevrolet-silverado-2500-hd-lt-esi5229107
- 2001-chevrolet-silverado-3500-base-esi7933206
- 2001-chevrolet-silverado-3500-ls-esi2687767
- 2001-chevrolet-silverado-3500-lt-esi3276389
- 2001-dodge-ram-2500-base-esi9884939
- 2001-dodge-ram-3500-base-esi9886314
- 2001-ford-excursion-limited-esi3426754
- 2001-ford-f-250-super-duty-lariat-esi2858328
- 2001-ford-f-250-super-duty-xl-esi5990485
- 2001-ford-f-250-super-duty-xlt-esi9138751
- 2001-ford-f-350-super-duty-lariat-esi2032636
- 2001-ford-f-350-super-duty-xl-esi3211555
- 2001-gmc-sierra-2500-hd-sl-esi3100276
- 2001-gmc-sierra-2500-hd-sle-esi7896755
- 2001-gmc-sierra-2500-hd-slt-esi8370657
- 2001-gmc-sierra-3500-sl-esi1482228
- 2001-gmc-sierra-3500-sle-esi8546769
- 2001-gmc-sierra-3500-slt-esi7063725
- 2002-chevrolet-silverado-2500-hd-base-esi3508243
- 2002-chevrolet-silverado-2500-hd-ls-esi8739593
- 2002-chevrolet-silverado-2500-hd-lt-esi9683440
- 2002-chevrolet-silverado-3500-base-esi3869120
- 2002-chevrolet-silverado-3500-ls-esi6633675
- 2002-chevrolet-silverado-3500-lt-esi8068609
- 2002-dodge-ram-2500-base-esi9394725
- 2002-dodge-ram-3500-base-esi2162273
- 2002-ford-excursion-limited-esi1241516
- 2002-ford-f-250-super-duty-lariat-esi1267899
- 2002-ford-f-250-super-duty-xl-esi2022584
- 2002-ford-f-250-super-duty-xlt-esi5428113
- 2002-ford-f-350-super-duty-lariat-esi3018663
- 2002-ford-f-350-super-duty-xl-esi9725056
- 2002-ford-f-350-super-duty-xlt-esi2759579
- 2002-gmc-sierra-2500-hd-base-esi6548923
- 2002-gmc-sierra-2500-hd-sl-esi1659942
- 2002-gmc-sierra-2500-hd-sle-esi2877055
- 2002-gmc-sierra-2500-hd-slt-esi2566422
- 2002-gmc-sierra-3500-base-esi3207261
- 2002-gmc-sierra-3500-sl-esi8159726
- 2002-gmc-sierra-3500-sle-esi3916673
- 2002-gmc-sierra-3500-slt-esi4202403
- 2003-chevrolet-silverado-2500-hd-base-esi4541235
- 2003-chevrolet-silverado-2500-hd-ls-esi9517195
- 2003-chevrolet-silverado-2500-hd-lt-esi4270066
- 2003-chevrolet-silverado-3500-base-esi9019975
- 2003-chevrolet-silverado-3500-ls-esi1831768
- 2003-chevrolet-silverado-3500-lt-esi1052753
- 2003-dodge-ram-2500-laramie-esi2666231
- 2003-dodge-ram-2500-slt-esi5521821
- 2003-dodge-ram-2500-st-esi4266831
- 2003-dodge-ram-3500-laramie-esi6082539
- 2003-dodge-ram-3500-slt-esi1793714
- 2003-dodge-ram-3500-st-esi7625287
- 2003-ford-excursion-eddie-bauer-esi7824658
- 2003-ford-f-250-super-duty-lariat-esi1160818
- 2003-ford-f-250-super-duty-xl-esi6996379
- 2003-ford-f-250-super-duty-xlt-esi7837179
- 2003-ford-f-350-super-duty-king-ranch-esi6628500
- 2003-ford-f-350-super-duty-lariat-esi5712527
- 2003-ford-f-350-super-duty-xl-esi3477120
- 2003-gmc-sierra-2500-hd-base-esi4587553
- 2003-gmc-sierra-2500-hd-sle-esi3113003
- 2003-gmc-sierra-2500-hd-slt-esi4289634
- 2003-gmc-sierra-2500-hd-wt-esi8235518
- 2003-gmc-sierra-3500-base-esi5326549
- 2003-gmc-sierra-3500-sle-esi7967492
- 2003-gmc-sierra-3500-slt-esi1581465
- 2004-chevrolet-silverado-2500-hd-base-esi8382919
- 2004-chevrolet-silverado-2500-hd-ls-esi5907187
- 2004-chevrolet-silverado-2500-hd-lt-esi4856954
- 2004-chevrolet-silverado-2500-hd-wt-esi4245100
- 2004-chevrolet-silverado-3500-base-esi4911015
- 2004-chevrolet-silverado-3500-ls-esi6195346
- 2004-chevrolet-silverado-3500-lt-esi8775477
- 2004-chevrolet-silverado-3500-wt-esi3153110
- 2004-dodge-ram-2500-slt-esi7491557
- 2004-dodge-ram-2500-st-esi6467925
- 2004-dodge-ram-3500-laramie-esi1077798
- 2004-dodge-ram-3500-slt-esi9828819
- 2004-dodge-ram-3500-st-esi3171860
- 2004-ford-f-250-super-duty-harley-davidson-edition-esi1194076
- 2004-ford-f-250-super-duty-king-ranch-esi4137879
- 2004-ford-f-250-super-duty-lariat-esi1175048
- 2004-ford-f-250-super-duty-xl-esi4884136
- 2004-ford-f-250-super-duty-xlt-esi3826189
- 2004-ford-f-350-super-duty-harley-davidson-edition-esi3568661
- 2004-ford-f-350-super-duty-king-ranch-esi4919304
- 2004-ford-f-350-super-duty-lariat-esi8705424
- 2004-ford-f-350-super-duty-xl-esi7557921
- 2004-ford-f-350-super-duty-xlt-esi4783904
- 2004-gmc-sierra-2500-hd-base-esi1234285
- 2004-gmc-sierra-2500-hd-sle-esi6034216
- 2004-gmc-sierra-2500-hd-slt-esi3138020
- 2004-gmc-sierra-2500-hd-wt-esi5714789
- 2004-gmc-sierra-3500-base-esi8312064
- 2004-gmc-sierra-3500-sle-esi9449745
- 2004-gmc-sierra-3500-slt-esi3283258
- 2004-gmc-sierra-3500-wt-esi6576881
- 2005-chevrolet-silverado-2500-hd-base-esi9029893
- 2005-chevrolet-silverado-2500-hd-ls-esi4126568
- 2005-chevrolet-silverado-2500-hd-lt-esi8171082
- 2005-chevrolet-silverado-2500-hd-wt-esi3641056
- 2005-chevrolet-silverado-3500-base-esi3017059
- 2005-chevrolet-silverado-3500-ls-esi8260426
- 2005-chevrolet-silverado-3500-lt-esi2238599
- 2005-dodge-ram-2500-laramie-esi1749515
- 2005-dodge-ram-2500-slt-esi3099408
- 2005-dodge-ram-2500-st-esi2524172
- 2005-dodge-ram-3500-laramie-esi1487767
- 2005-dodge-ram-3500-slt-esi4305307
- 2005-dodge-ram-3500-st-esi3769544
- 2005-ford-f-250-super-duty-harley-davidson-edition-esi5286340
- 2005-ford-f-250-super-duty-king-ranch-esi8623934
- 2005-ford-f-250-super-duty-lariat-esi7480521
- 2005-ford-f-250-super-duty-xl-esi9440505
- 2005-ford-f-250-super-duty-xlt-esi6173950
- 2005-ford-f-350-super-duty-harley-davidson-edition-esi1957138
- 2005-ford-f-350-super-duty-king-ranch-esi8899258
- 2005-ford-f-350-super-duty-lariat-esi2351006
- 2005-ford-f-350-super-duty-xl-esi4548292
- 2005-ford-f-350-super-duty-xlt-esi1946139
- 2005-gmc-sierra-2500-hd-base-esi1276010
- 2005-gmc-sierra-2500-hd-sle-esi1484659
- 2005-gmc-sierra-2500-hd-slt-esi2893335
- 2005-gmc-sierra-2500-hd-wt-esi3461859
- 2005-gmc-sierra-3500-base-esi3319336
- 2005-gmc-sierra-3500-sle-esi8169075
- 2005-gmc-sierra-3500-slt-esi9716379
- 2005-gmc-sierra-3500-wt-esi3723435
- 2006-chevrolet-silverado-2500-hd-ls-esi7667205
- 2006-chevrolet-silverado-2500-hd-lt-esi4556930
- 2006-chevrolet-silverado-2500-hd-wt-esi2637656
- 2006-chevrolet-silverado-3500-ls-esi7626125
- 2006-chevrolet-silverado-3500-lt-esi2677095
- 2006-chevrolet-silverado-3500-wt-esi5911999
- 2006-dodge-ram-2500-laramie-esi5466442
- 2006-dodge-ram-2500-slt-esi5855257
- 2006-dodge-ram-2500-sport-esi5279002
- 2006-dodge-ram-2500-st-esi1871359
- 2006-dodge-ram-2500-trx4-esi8436416
- 2006-dodge-ram-3500-laramie-esi9700302
- 2006-dodge-ram-3500-slt-esi6826939
- 2006-dodge-ram-3500-sport-esi7181569
- 2006-dodge-ram-3500-st-esi2347200
- 2006-ford-f-250-super-duty-harley-davidson-edition-esi7305904
- 2006-ford-f-250-super-duty-king-ranch-esi4830198
- 2006-ford-f-250-super-duty-lariat-esi9406400
- 2006-ford-f-250-super-duty-xl-esi9430724
- 2006-ford-f-250-super-duty-xlt-esi4841939
- 2006-ford-f-350-super-duty-harley-davidson-edition-esi2721822
- 2006-ford-f-350-super-duty-king-ranch-esi6063524
- 2006-ford-f-350-super-duty-lariat-esi9534968
- 2006-ford-f-350-super-duty-xl-esi7716350
- 2006-ford-f-350-super-duty-xlt-esi8215127
- 2006-gmc-sierra-2500-hd-sl-esi6587723
- 2006-gmc-sierra-2500-hd-sle-esi5386552
- 2006-gmc-sierra-2500-hd-slt-esi2213331
- 2006-gmc-sierra-2500-hd-wt-esi2659597
- 2006-gmc-sierra-3500-sl-esi7274202
- 2006-gmc-sierra-3500-sle-esi7006826
- 2006-gmc-sierra-3500-slt-esi2073315
- 2006-gmc-sierra-3500-wt-esi3386176
- 2007-chevrolet-silverado-2500-hd-classic-ls-esi5898973
- 2007-chevrolet-silverado-2500-hd-classic-lt-esi5380186
- 2007-chevrolet-silverado-2500-hd-classic-wt-esi7606148
- 2007-chevrolet-silverado-3500-classic-ls-esi1876066
- 2007-chevrolet-silverado-3500-classic-lt-esi6838624
- 2007-chevrolet-silverado-3500-classic-wt-esi2774230
- 2007-dodge-ram-2500-laramie-esi3821592
- 2007-dodge-ram-2500-slt-esi3720673
- 2007-dodge-ram-2500-sport-esi3262723
- 2007-dodge-ram-2500-st-esi6298657
- 2007-dodge-ram-2500-trx4-esi8045683
- 2007-dodge-ram-3500-laramie-esi8479689
- 2007-dodge-ram-3500-slt-esi4588086
- 2007-dodge-ram-3500-sport-esi6127711
- 2007-dodge-ram-3500-st-esi3040592
- 2007-dodge-ram-3500-trx4-esi1274176
- 2007-ford-f-250-super-duty-harley-davidson-edition-esi3096597
- 2007-ford-f-250-super-duty-king-ranch-esi6729409
- 2007-ford-f-250-super-duty-lariat-esi5655181
- 2007-ford-f-250-super-duty-xl-esi9214248
- 2007-ford-f-250-super-duty-xlt-esi8937198
- 2007-ford-f-350-super-duty-harley-davidson-edition-esi8512661
- 2007-ford-f-350-super-duty-king-ranch-esi3096818
- 2007-ford-f-350-super-duty-lariat-esi4481381
- 2007-ford-f-350-super-duty-xl-esi1470416
- 2007-ford-f-350-super-duty-xlt-esi4013304
- 2007-gmc-sierra-2500-hd-classic-sl-esi6094445
- 2007-gmc-sierra-2500-hd-classic-sle-esi4714075
- 2007-gmc-sierra-2500-hd-classic-slt-esi8607956
- 2007-gmc-sierra-2500-hd-classic-wt-esi3388673
- 2007-gmc-sierra-3500-classic-sl-esi1188316
- 2007-gmc-sierra-3500-classic-sle-esi5612096
- 2007-gmc-sierra-3500-classic-slt-esi4419386
- 2007-gmc-sierra-3500-classic-wt-esi9555056
- Bucket:Dodge
- Bucket:Ford
- ClearanceItem:N
- EPA:N/A
- Exhaust- Mufflers & Tips>Connecting Pipes
- fits_1999-2007`Ford`F-250 Super Duty`Lariat~1999-2007`Ford`F-250 Super Duty`XL~1999-2007`Ford`F-250 Super Duty`XLT~2004-2007`Ford`F-350 Super Duty`Harley-Davidson Edition~2003-2007`Ford`F-350 Super Duty`King Ranch~1999-2007`Ford`F-350 Super Duty`Lariat
- fits_1999-2007`Ford`F-350 Super Duty`XL~1999-2007`Ford`F-350 Super Duty`XLT~2002-2005`GMC`Sierra 2500 HD`Base~2001-2002`GMC`Sierra 2500 HD`SL~2006`GMC`Sierra 2500 HD`SL~2001-2006`GMC`Sierra 2500 HD`SLE~2001-2006`GMC`Sierra 2500 HD`SLT
- fits_2001-2005`Chevrolet`Silverado 2500 HD`Base~2001-2006`Chevrolet`Silverado 2500 HD`LS~2001-2006`Chevrolet`Silverado 2500 HD`LT~2004-2006`Chevrolet`Silverado 2500 HD`WT~2007`Chevrolet`Silverado 2500 HD Classic`LS
- fits_2003-2006`GMC`Sierra 2500 HD`WT~2007`GMC`Sierra 2500 HD Classic`SL~2007`GMC`Sierra 2500 HD Classic`SLE~2007`GMC`Sierra 2500 HD Classic`SLT~2007`GMC`Sierra 2500 HD Classic`WT~2002-2005`GMC`Sierra 3500`Base~2001-2002`GMC`Sierra 3500`SL
- fits_2003-2007`Dodge`Ram 2500`SLT~2006-2007`Dodge`Ram 2500`Sport~2003-2007`Dodge`Ram 2500`ST~2006-2007`Dodge`Ram 2500`TRX4~1998-2002`Dodge`Ram 3500`Base~2003-2007`Dodge`Ram 3500`Laramie~2003-2007`Dodge`Ram 3500`SLT~2006-2007`Dodge`Ram 3500`Sport
- fits_2003-2007`Dodge`Ram 3500`ST~2007`Dodge`Ram 3500`TRX4~2003`Ford`Excursion`Eddie Bauer~2000-2003`Ford`Excursion`Limited~2000-2003`Ford`Excursion`XLT~2004-2007`Ford`F-250 Super Duty`Harley-Davidson Edition~2004-2007`Ford`F-250 Super Duty`King Ranch
- fits_2006`Chevrolet`Silverado 3500`WT~2007`Chevrolet`Silverado 3500 Classic`LS~2007`Chevrolet`Silverado 3500 Classic`LT~2007`Chevrolet`Silverado 3500 Classic`WT~1998-2002`Dodge`Ram 2500`Base~2003`Dodge`Ram 2500`Laramie~2005-2007`Dodge`Ram 2500`Laramie
- fits_2006`GMC`Sierra 3500`SL~2001-2006`GMC`Sierra 3500`SLE~2001-2006`GMC`Sierra 3500`SLT~2004-2006`GMC`Sierra 3500`WT~2007`GMC`Sierra 3500 Classic`SL~2007`GMC`Sierra 3500 Classic`SLE~2007`GMC`Sierra 3500 Classic`SLT~2007`GMC`Sierra 3500 Classic`WT
- fits_2007`Chevrolet`Silverado 2500 HD Classic`LT~2007`Chevrolet`Silverado 2500 HD Classic`WT~2001-2005`Chevrolet`Silverado 3500`Base~2001-2006`Chevrolet`Silverado 3500`LS~2001-2006`Chevrolet`Silverado 3500`LT~2004`Chevrolet`Silverado 3500`WT
- LTL:N
- MPN:15451
- Non-CARB:Y
- Prop65:N
- SpecialOrder:Y