The MagnaFlow 4" X 9" Oval XL Multi-Chamber 13266 features a straight-through, weight-optimized reversible design with a perforated stainless steel core featuring baffles and tuning gates, enabling it to deliver the powerful signature sound and dyno-proven performance that’s made MagnaFlow a household name. Muffler 13266’s oval-shaped, 4x9x18in. body and universal 2.5/2.5in. diameter inlet/outlet layout enables flexible installation options to match the spacing requirements of your vehicle. Professional installation is highly recommended. 13266 is produced using advanced CNC precision robotic manufacturing techniques and features durable, corrosion resistant stainless-steel construction, all backed by MagnaFlow’s limited lifetime warranty.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1988-1993 | Chevrolet | C1500 | Cheyenne |
| 1988-1992 | Chevrolet | C1500 | Scottsdale |
| 1988-1993 | Chevrolet | C1500 | Silverado |
| 1990-1993 | Chevrolet | C1500 | WT |
| 1988-1993 | Chevrolet | C2500 | Cheyenne |
| 1988-1992 | Chevrolet | C2500 | Scottsdale |
| 1988-1993 | Chevrolet | C2500 | Silverado |
| 1988-1993 | Chevrolet | K1500 | Cheyenne |
| 1988-1992 | Chevrolet | K1500 | Scottsdale |
| 1988-1993 | Chevrolet | K1500 | Silverado |
| 1991 | Chevrolet | K1500 | Sport |
| 1990-1993 | Chevrolet | K1500 | WT |
| 1988-1993 | Chevrolet | K2500 | Cheyenne |
| 1988-1992 | Chevrolet | K2500 | Scottsdale |
| 1988-1993 | Chevrolet | K2500 | Silverado |
| 1988-1993 | GMC | C1500 | Sierra |
| 1988-1993 | GMC | C1500 | Sierra SLE |
| 1988-1993 | GMC | C1500 | Sierra SLX |
| 1988-1993 | GMC | C2500 | Sierra |
| 1988-1993 | GMC | C2500 | Sierra SLE |
| 1988-1993 | GMC | C2500 | Sierra SLX |
| 1988-1993 | GMC | K1500 | Sierra |
| 1988-1993 | GMC | K1500 | Sierra SLE |
| 1988-1993 | GMC | K1500 | Sierra SLX |
| 1993 | GMC | K1500 | Sierra Sport |
| 1988-1993 | GMC | K2500 | Sierra |
| 1988-1993 | GMC | K2500 | Sierra SLE |
| 1988-1993 | GMC | K2500 | Sierra SLX |
- 1988-chevrolet-c1500-cheyenne-esi6475053
- 1988-chevrolet-c1500-scottsdale-esi3235410
- 1988-chevrolet-c1500-silverado-esi5773574
- 1988-chevrolet-c2500-cheyenne-esi1335214
- 1988-chevrolet-k1500-cheyenne-esi9564162
- 1988-chevrolet-k1500-scottsdale-esi6369911
- 1988-chevrolet-k1500-silverado-esi2019305
- 1988-chevrolet-k2500-cheyenne-esi6484818
- 1988-chevrolet-k2500-silverado-esi3568218
- 1988-gmc-c1500-sierra-esi8623733
- 1988-gmc-c1500-sierra-sle-esi6991302
- 1988-gmc-c2500-sierra-esi9017087
- 1988-gmc-c2500-sierra-sle-esi8623789
- 1988-gmc-k1500-sierra-esi3350322
- 1988-gmc-k1500-sierra-sle-esi5917321
- 1988-gmc-k1500-sierra-slx-esi6412809
- 1988-gmc-k2500-sierra-esi9862229
- 1988-gmc-k2500-sierra-sle-esi3507558
- 1988-gmc-k2500-sierra-slx-esi6554160
- 1989-chevrolet-c1500-cheyenne-esi2912347
- 1989-chevrolet-c1500-scottsdale-esi3950206
- 1989-chevrolet-c1500-silverado-esi9680253
- 1989-chevrolet-c2500-cheyenne-esi2231375
- 1989-chevrolet-c2500-scottsdale-esi2532366
- 1989-chevrolet-c2500-silverado-esi4421121
- 1989-chevrolet-k1500-cheyenne-esi4986060
- 1989-chevrolet-k1500-scottsdale-esi8214157
- 1989-chevrolet-k2500-cheyenne-esi1800500
- 1989-chevrolet-k2500-scottsdale-esi5566331
- 1989-chevrolet-k2500-silverado-esi9891380
- 1989-gmc-c1500-sierra-esi6027827
- 1989-gmc-c1500-sierra-sle-esi5384242
- 1989-gmc-c2500-sierra-esi5452046
- 1989-gmc-c2500-sierra-sle-esi6891103
- 1989-gmc-c2500-sierra-slx-esi7006324
- 1989-gmc-k1500-sierra-esi2683411
- 1989-gmc-k1500-sierra-sle-esi4592580
- 1989-gmc-k1500-sierra-slx-esi2862937
- 1989-gmc-k2500-sierra-esi4150175
- 1990-chevrolet-c1500-cheyenne-esi9279320
- 1990-chevrolet-c1500-scottsdale-esi4499629
- 1990-chevrolet-c1500-silverado-esi1780135
- 1990-chevrolet-c1500-wt-esi6774512
- 1990-chevrolet-c2500-cheyenne-esi7383547
- 1990-chevrolet-c2500-scottsdale-esi5009393
- 1990-chevrolet-c2500-silverado-esi7758796
- 1990-chevrolet-k1500-cheyenne-esi1294650
- 1990-chevrolet-k1500-silverado-esi6758982
- 1990-chevrolet-k1500-wt-esi2559694
- 1990-chevrolet-k2500-cheyenne-esi9065047
- 1990-chevrolet-k2500-silverado-esi4931004
- 1990-gmc-c1500-sierra-esi6548305
- 1990-gmc-c1500-sierra-sle-esi2866111
- 1990-gmc-c1500-sierra-slx-esi3762328
- 1990-gmc-c2500-sierra-esi4012422
- 1990-gmc-c2500-sierra-sle-esi3189757
- 1990-gmc-c2500-sierra-slx-esi4025559
- 1990-gmc-k1500-sierra-esi5387832
- 1990-gmc-k1500-sierra-sle-esi6442829
- 1990-gmc-k2500-sierra-esi1753926
- 1990-gmc-k2500-sierra-sle-esi1568159
- 1990-gmc-k2500-sierra-slx-esi4090635
- 1991-chevrolet-c1500-cheyenne-esi3227421
- 1991-chevrolet-c1500-scottsdale-esi7621260
- 1991-chevrolet-c1500-silverado-esi9473148
- 1991-chevrolet-c1500-wt-esi6363224
- 1991-chevrolet-c2500-cheyenne-esi3678185
- 1991-chevrolet-c2500-scottsdale-esi6137418
- 1991-chevrolet-c2500-silverado-esi1277232
- 1991-chevrolet-k1500-cheyenne-esi7262808
- 1991-chevrolet-k1500-scottsdale-esi3332634
- 1991-chevrolet-k1500-silverado-esi2014488
- 1991-chevrolet-k1500-sport-esi4260705
- 1991-chevrolet-k1500-wt-esi3508394
- 1991-chevrolet-k2500-cheyenne-esi6642455
- 1991-chevrolet-k2500-scottsdale-esi9531902
- 1991-chevrolet-k2500-silverado-esi4540736
- 1991-gmc-c1500-sierra-esi6195322
- 1991-gmc-c1500-sierra-slx-esi1278483
- 1991-gmc-c2500-sierra-esi7528580
- 1991-gmc-c2500-sierra-sle-esi4281135
- 1991-gmc-k1500-sierra-esi2784814
- 1991-gmc-k1500-sierra-sle-esi5290104
- 1991-gmc-k1500-sierra-slx-esi5078122
- 1991-gmc-k2500-sierra-esi3750482
- 1992-chevrolet-c1500-cheyenne-esi1769962
- 1992-chevrolet-c1500-scottsdale-esi8153292
- 1992-chevrolet-c1500-silverado-esi5505193
- 1992-chevrolet-c1500-wt-esi1536583
- 1992-chevrolet-c2500-cheyenne-esi2482711
- 1992-chevrolet-c2500-scottsdale-esi5959396
- 1992-chevrolet-c2500-silverado-esi4503389
- 1992-chevrolet-k1500-cheyenne-esi8842145
- 1992-chevrolet-k1500-scottsdale-esi8857586
- 1992-chevrolet-k1500-silverado-esi2067329
- 1992-chevrolet-k1500-wt-esi3712785
- 1992-chevrolet-k2500-cheyenne-esi3077891
- 1992-chevrolet-k2500-scottsdale-esi8331861
- 1992-chevrolet-k2500-silverado-esi4630382
- 1992-gmc-c1500-sierra-esi5329988
- 1992-gmc-c1500-sierra-slx-esi4675319
- 1992-gmc-c2500-sierra-esi5137199
- 1992-gmc-c2500-sierra-sle-esi5548627
- 1992-gmc-k1500-sierra-esi5020229
- 1992-gmc-k1500-sierra-sle-esi8703381
- 1992-gmc-k1500-sierra-slx-esi3544757
- 1992-gmc-k2500-sierra-esi7018225
- 1992-gmc-k2500-sierra-sle-esi6860350
- 1992-gmc-k2500-sierra-slx-esi3748812
- 1993-chevrolet-c1500-cheyenne-esi9369115
- 1993-chevrolet-c1500-silverado-esi5464520
- 1993-chevrolet-c1500-wt-esi8935173
- 1993-chevrolet-c2500-cheyenne-esi6434390
- 1993-chevrolet-c2500-silverado-esi7220757
- 1993-chevrolet-k1500-cheyenne-esi9962129
- 1993-chevrolet-k1500-silverado-esi6709635
- 1993-chevrolet-k1500-wt-esi3969702
- 1993-chevrolet-k2500-cheyenne-esi3875707
- 1993-chevrolet-k2500-silverado-esi1435587
- 1993-gmc-c1500-sierra-esi2858738
- 1993-gmc-c1500-sierra-sle-esi1741024
- 1993-gmc-c1500-sierra-slx-esi8210236
- 1993-gmc-c2500-sierra-esi9466271
- 1993-gmc-k1500-sierra-esi4410847
- 1993-gmc-k1500-sierra-sle-esi9944967
- 1993-gmc-k1500-sierra-slx-esi7280655
- 1993-gmc-k1500-sierra-sport-esi4032202
- 1993-gmc-k2500-sierra-esi8155108
- 1993-gmc-k2500-sierra-sle-esi2097252
- 1993-gmc-k2500-sierra-slx-esi4130347
- EPA:N/A
- fits_1988-1992`Chevrolet`K1500`Scottsdale~1988-1993`Chevrolet`K1500`Silverado~1991`Chevrolet`K1500`Sport~1990-1993`Chevrolet`K1500`WT~1988-1993`Chevrolet`K2500`Cheyenne~1988-1992`Chevrolet`K2500`Scottsdale~1988-1993`Chevrolet`K2500`Silverado
- fits_1988-1993`Chevrolet`C1500`Cheyenne~1988-1992`Chevrolet`C1500`Scottsdale~1988-1993`Chevrolet`C1500`Silverado~1990-1993`Chevrolet`C1500`WT~1988-1993`Chevrolet`C2500`Cheyenne~1988-1992`Chevrolet`C2500`Scottsdale~1988-1993`Chevrolet`C2500`Silverado
- fits_1988-1993`GMC`C1500`Sierra SLE~1988-1993`GMC`C1500`Sierra SLX~1988-1993`GMC`C2500`Sierra~1988-1993`GMC`C2500`Sierra SLE~1988-1993`GMC`C2500`Sierra SLX~1988-1993`GMC`K1500`Sierra~1988-1993`GMC`K1500`Sierra SLE~1988-1993`GMC`K1500`Sierra SLX
- fits_1988-1993`GMC`K2500`Sierra~1988-1993`GMC`K2500`Sierra SLE~1988-1993`GMC`K2500`Sierra SLX
- LTL:N
- MPN:13266
- Non-CARB:N
- Prop65:Y
- SpecialOrder:Y