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-esi4535407
- 1998-dodge-ram-3500-base-esi1970269
- 1999-dodge-ram-2500-base-esi4743031
- 1999-dodge-ram-3500-base-esi6336601
- 1999-ford-f-250-super-duty-lariat-esi8325885
- 1999-ford-f-250-super-duty-xl-esi4849725
- 1999-ford-f-350-super-duty-lariat-esi1087711
- 1999-ford-f-350-super-duty-xl-esi2473837
- 1999-ford-f-350-super-duty-xlt-esi5483663
- 2000-dodge-ram-2500-base-esi9427980
- 2000-dodge-ram-3500-base-esi1090433
- 2000-ford-excursion-limited-esi7631853
- 2000-ford-f-250-super-duty-lariat-esi1928113
- 2000-ford-f-250-super-duty-xl-esi7953627
- 2000-ford-f-250-super-duty-xlt-esi6131859
- 2000-ford-f-350-super-duty-lariat-esi7189145
- 2001-chevrolet-silverado-2500-hd-base-esi2817134
- 2001-chevrolet-silverado-2500-hd-ls-esi1206218
- 2001-chevrolet-silverado-2500-hd-lt-esi7506056
- 2001-chevrolet-silverado-3500-base-esi8892050
- 2001-chevrolet-silverado-3500-ls-esi4094175
- 2001-chevrolet-silverado-3500-lt-esi8432745
- 2001-dodge-ram-2500-base-esi8372609
- 2001-dodge-ram-3500-base-esi2882428
- 2001-ford-excursion-limited-esi5935900
- 2001-ford-f-250-super-duty-lariat-esi1584198
- 2001-ford-f-250-super-duty-xl-esi5246429
- 2001-ford-f-250-super-duty-xlt-esi1071690
- 2001-ford-f-350-super-duty-lariat-esi9443283
- 2001-ford-f-350-super-duty-xl-esi9781088
- 2001-gmc-sierra-2500-hd-sl-esi4214753
- 2001-gmc-sierra-2500-hd-sle-esi2968432
- 2001-gmc-sierra-2500-hd-slt-esi3775354
- 2001-gmc-sierra-3500-sl-esi8691810
- 2001-gmc-sierra-3500-sle-esi3497558
- 2001-gmc-sierra-3500-slt-esi6561406
- 2002-chevrolet-silverado-2500-hd-base-esi8682457
- 2002-chevrolet-silverado-2500-hd-ls-esi8676842
- 2002-chevrolet-silverado-2500-hd-lt-esi2614520
- 2002-chevrolet-silverado-3500-base-esi3233771
- 2002-chevrolet-silverado-3500-ls-esi2872255
- 2002-chevrolet-silverado-3500-lt-esi8745665
- 2002-dodge-ram-2500-base-esi7686846
- 2002-dodge-ram-3500-base-esi4806059
- 2002-ford-excursion-limited-esi3151715
- 2002-ford-f-250-super-duty-lariat-esi4782305
- 2002-ford-f-250-super-duty-xl-esi6302421
- 2002-ford-f-250-super-duty-xlt-esi3406929
- 2002-ford-f-350-super-duty-lariat-esi2666528
- 2002-ford-f-350-super-duty-xl-esi6684122
- 2002-ford-f-350-super-duty-xlt-esi2018609
- 2002-gmc-sierra-2500-hd-base-esi3057411
- 2002-gmc-sierra-2500-hd-sl-esi9574024
- 2002-gmc-sierra-2500-hd-sle-esi8475226
- 2002-gmc-sierra-2500-hd-slt-esi6484103
- 2002-gmc-sierra-3500-base-esi5868515
- 2002-gmc-sierra-3500-sl-esi3824986
- 2002-gmc-sierra-3500-sle-esi8670781
- 2002-gmc-sierra-3500-slt-esi8837757
- 2003-chevrolet-silverado-2500-hd-base-esi6550766
- 2003-chevrolet-silverado-2500-hd-ls-esi4515580
- 2003-chevrolet-silverado-2500-hd-lt-esi5636510
- 2003-chevrolet-silverado-3500-base-esi9543397
- 2003-chevrolet-silverado-3500-ls-esi5175569
- 2003-chevrolet-silverado-3500-lt-esi4346192
- 2003-dodge-ram-2500-laramie-esi2896665
- 2003-dodge-ram-2500-slt-esi8565750
- 2003-dodge-ram-2500-st-esi1150408
- 2003-dodge-ram-3500-laramie-esi7164892
- 2003-dodge-ram-3500-slt-esi6480050
- 2003-dodge-ram-3500-st-esi7609858
- 2003-ford-excursion-eddie-bauer-esi4393202
- 2003-ford-f-250-super-duty-lariat-esi5754068
- 2003-ford-f-250-super-duty-xl-esi7016033
- 2003-ford-f-250-super-duty-xlt-esi7536666
- 2003-ford-f-350-super-duty-king-ranch-esi9274693
- 2003-ford-f-350-super-duty-lariat-esi7524980
- 2003-ford-f-350-super-duty-xl-esi3243981
- 2003-gmc-sierra-2500-hd-base-esi9013763
- 2003-gmc-sierra-2500-hd-sle-esi5975906
- 2003-gmc-sierra-2500-hd-slt-esi6209215
- 2003-gmc-sierra-2500-hd-wt-esi3815908
- 2003-gmc-sierra-3500-base-esi7993737
- 2003-gmc-sierra-3500-sle-esi7738837
- 2003-gmc-sierra-3500-slt-esi4805613
- 2004-chevrolet-silverado-2500-hd-base-esi3806048
- 2004-chevrolet-silverado-2500-hd-ls-esi8455967
- 2004-chevrolet-silverado-2500-hd-lt-esi9151872
- 2004-chevrolet-silverado-2500-hd-wt-esi4541503
- 2004-chevrolet-silverado-3500-base-esi4490062
- 2004-chevrolet-silverado-3500-ls-esi7406275
- 2004-chevrolet-silverado-3500-lt-esi4804081
- 2004-chevrolet-silverado-3500-wt-esi8350643
- 2004-dodge-ram-2500-slt-esi6377669
- 2004-dodge-ram-2500-st-esi1584261
- 2004-dodge-ram-3500-laramie-esi5610809
- 2004-dodge-ram-3500-slt-esi5386072
- 2004-dodge-ram-3500-st-esi6412650
- 2004-ford-f-250-super-duty-harley-davidson-edition-esi7823091
- 2004-ford-f-250-super-duty-king-ranch-esi7601095
- 2004-ford-f-250-super-duty-lariat-esi6063606
- 2004-ford-f-250-super-duty-xl-esi3672792
- 2004-ford-f-250-super-duty-xlt-esi2733476
- 2004-ford-f-350-super-duty-harley-davidson-edition-esi5731702
- 2004-ford-f-350-super-duty-king-ranch-esi7250965
- 2004-ford-f-350-super-duty-lariat-esi7395906
- 2004-ford-f-350-super-duty-xl-esi8927795
- 2004-ford-f-350-super-duty-xlt-esi3320088
- 2004-gmc-sierra-2500-hd-base-esi6913227
- 2004-gmc-sierra-2500-hd-sle-esi4510263
- 2004-gmc-sierra-2500-hd-slt-esi9777112
- 2004-gmc-sierra-2500-hd-wt-esi2124749
- 2004-gmc-sierra-3500-base-esi6224311
- 2004-gmc-sierra-3500-sle-esi4893257
- 2004-gmc-sierra-3500-slt-esi2317131
- 2004-gmc-sierra-3500-wt-esi5494366
- 2005-chevrolet-silverado-2500-hd-base-esi7864039
- 2005-chevrolet-silverado-2500-hd-ls-esi8820966
- 2005-chevrolet-silverado-2500-hd-lt-esi1236042
- 2005-chevrolet-silverado-2500-hd-wt-esi2390827
- 2005-chevrolet-silverado-3500-base-esi6979129
- 2005-chevrolet-silverado-3500-ls-esi9301075
- 2005-chevrolet-silverado-3500-lt-esi1383577
- 2005-dodge-ram-2500-laramie-esi2105490
- 2005-dodge-ram-2500-slt-esi3341597
- 2005-dodge-ram-2500-st-esi4467865
- 2005-dodge-ram-3500-laramie-esi3736503
- 2005-dodge-ram-3500-slt-esi7789196
- 2005-dodge-ram-3500-st-esi2426706
- 2005-ford-f-250-super-duty-harley-davidson-edition-esi2982452
- 2005-ford-f-250-super-duty-king-ranch-esi5947173
- 2005-ford-f-250-super-duty-lariat-esi9243226
- 2005-ford-f-250-super-duty-xl-esi3449727
- 2005-ford-f-250-super-duty-xlt-esi7437186
- 2005-ford-f-350-super-duty-harley-davidson-edition-esi9144620
- 2005-ford-f-350-super-duty-king-ranch-esi4162346
- 2005-ford-f-350-super-duty-lariat-esi7883182
- 2005-ford-f-350-super-duty-xl-esi1845886
- 2005-ford-f-350-super-duty-xlt-esi8020333
- 2005-gmc-sierra-2500-hd-base-esi5581170
- 2005-gmc-sierra-2500-hd-sle-esi7274676
- 2005-gmc-sierra-2500-hd-slt-esi8097558
- 2005-gmc-sierra-2500-hd-wt-esi4455492
- 2005-gmc-sierra-3500-base-esi6382097
- 2005-gmc-sierra-3500-sle-esi8615398
- 2005-gmc-sierra-3500-slt-esi6853329
- 2005-gmc-sierra-3500-wt-esi8255088
- 2006-chevrolet-silverado-2500-hd-ls-esi3848557
- 2006-chevrolet-silverado-2500-hd-lt-esi5730587
- 2006-chevrolet-silverado-2500-hd-wt-esi4623949
- 2006-chevrolet-silverado-3500-ls-esi1900328
- 2006-chevrolet-silverado-3500-lt-esi4695165
- 2006-chevrolet-silverado-3500-wt-esi1291944
- 2006-dodge-ram-2500-laramie-esi3221845
- 2006-dodge-ram-2500-slt-esi1037548
- 2006-dodge-ram-2500-sport-esi9611152
- 2006-dodge-ram-2500-st-esi1467321
- 2006-dodge-ram-2500-trx4-esi7138805
- 2006-dodge-ram-3500-laramie-esi5545454
- 2006-dodge-ram-3500-slt-esi1416434
- 2006-dodge-ram-3500-sport-esi1193875
- 2006-dodge-ram-3500-st-esi2234861
- 2006-ford-f-250-super-duty-harley-davidson-edition-esi6795288
- 2006-ford-f-250-super-duty-king-ranch-esi6345611
- 2006-ford-f-250-super-duty-lariat-esi5684368
- 2006-ford-f-250-super-duty-xl-esi8620050
- 2006-ford-f-250-super-duty-xlt-esi8630221
- 2006-ford-f-350-super-duty-harley-davidson-edition-esi9684854
- 2006-ford-f-350-super-duty-king-ranch-esi3825395
- 2006-ford-f-350-super-duty-lariat-esi9607242
- 2006-ford-f-350-super-duty-xl-esi6946203
- 2006-ford-f-350-super-duty-xlt-esi8838403
- 2006-gmc-sierra-2500-hd-sl-esi9225778
- 2006-gmc-sierra-2500-hd-sle-esi9585993
- 2006-gmc-sierra-2500-hd-slt-esi8117098
- 2006-gmc-sierra-2500-hd-wt-esi6335390
- 2006-gmc-sierra-3500-sl-esi9296537
- 2006-gmc-sierra-3500-sle-esi3072457
- 2006-gmc-sierra-3500-slt-esi2536495
- 2006-gmc-sierra-3500-wt-esi4580644
- 2007-chevrolet-silverado-2500-hd-classic-ls-esi8245347
- 2007-chevrolet-silverado-2500-hd-classic-lt-esi8306361
- 2007-chevrolet-silverado-2500-hd-classic-wt-esi3044619
- 2007-chevrolet-silverado-3500-classic-ls-esi4361494
- 2007-chevrolet-silverado-3500-classic-lt-esi2833792
- 2007-chevrolet-silverado-3500-classic-wt-esi5828579
- 2007-dodge-ram-2500-laramie-esi4185539
- 2007-dodge-ram-2500-slt-esi2352081
- 2007-dodge-ram-2500-sport-esi5255031
- 2007-dodge-ram-2500-st-esi4260511
- 2007-dodge-ram-2500-trx4-esi1693122
- 2007-dodge-ram-3500-laramie-esi8677253
- 2007-dodge-ram-3500-slt-esi6911922
- 2007-dodge-ram-3500-sport-esi8276066
- 2007-dodge-ram-3500-st-esi8983109
- 2007-dodge-ram-3500-trx4-esi3778307
- 2007-ford-f-250-super-duty-harley-davidson-edition-esi1652620
- 2007-ford-f-250-super-duty-king-ranch-esi9896228
- 2007-ford-f-250-super-duty-lariat-esi7657626
- 2007-ford-f-250-super-duty-xl-esi2619430
- 2007-ford-f-250-super-duty-xlt-esi2099484
- 2007-ford-f-350-super-duty-harley-davidson-edition-esi7491191
- 2007-ford-f-350-super-duty-king-ranch-esi5213027
- 2007-ford-f-350-super-duty-lariat-esi1939308
- 2007-ford-f-350-super-duty-xl-esi1246658
- 2007-ford-f-350-super-duty-xlt-esi3355239
- 2007-gmc-sierra-2500-hd-classic-sl-esi2157155
- 2007-gmc-sierra-2500-hd-classic-sle-esi7841823
- 2007-gmc-sierra-2500-hd-classic-slt-esi3574081
- 2007-gmc-sierra-2500-hd-classic-wt-esi7781280
- 2007-gmc-sierra-3500-classic-sl-esi3259344
- 2007-gmc-sierra-3500-classic-sle-esi4400529
- 2007-gmc-sierra-3500-classic-slt-esi2963916
- 2007-gmc-sierra-3500-classic-wt-esi2033253
- Bucket:Dodge
- Bucket:Ford
- ClearanceItem:N
- EPA:N/A
- 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