- Home »
- Catalog
UnderDog Diesel » Cat-Back
Products for:
- Type: Cat-Back
View Universal items for: Cat-Back
Browse Products
Exhaust System Kit
Description: 3in. Cat-Back Pre-Axle Dual Outlet Passenger Side Street Version Aluminized Steel. Note: 4in. Outside Diameter Tips Included. Excludes Regular Cab Short Box and Factory Dual Exhaust.
Item #: S5262AL
Condition:
New
Price: $636.16
Sale: $514.99
Save: 19%
Save: $121.17
Exhaust System Kit
Description: 3in. Cat-Back Pre-Axle Dual Outlet Passenger Side Street Version Black Coated Aluminized Steel. Note: 4in Outside Diameter Tips Included. Excludes Regular Cab Short Box and Factory Dual Exhaust.
Item #: S5262BLK
Condition:
New
Price: $852.34
Sale: $689.99
Save: 19%
Save: $162.35
Exhaust System Kit
Description: 3in. Cat-Back Pre-Axle Dual Outlet Passenger Side Street Version T304 Stainless Steel. Note: 4in. Outside Diameter Tips Included. Excludes Regular Cab Short Box and Factory Dual Exhaust.
Item #: S5262304
Condition:
New
Price: $1,068.52
Sale: $864.99
Save: 19%
Save: $203.53
Exhaust System Kit
Description: 3in. Cat-Back Pre-Axle Dual Side Exit Aluminized Steel. Note: 4in. Outside Diameter Tip Included. Excludes Regular Cab Short Box/ 2WD Crew Cab 6.5' Box (2 Piece Driveshaft).
Item #: S5092AL
Condition:
New
Price: $611.46
Sale: $494.99
Save: 19%
Save: $116.47
Exhaust System Kit
Description: 3in. Cat-Back Pre-Axle Dual Side Exit Black Coated. Note: 4in. Outside Diameter Tip Included. Excludes Regular cab Short Box/ 2WD Crew Cab 6.5' Box (2 Piece Driveshaft).
Item #: S5092BLK
Condition:
New
Price: $809.11
Sale: $654.99
Save: 19%
Save: $154.12
Exhaust System Kit
Description: 3in. Cat-Back Pre-Axle Dual Side Exit T304 Stainless Steel. Note: 4in. Outside Diameter Tip Included. Excludes Regular cab Short Box/ 2WD Crew Cab 6.5' Box (2 Piece Driveshaft).
Item #: S5092304
Condition:
New
Price: $889.40
Sale: $719.99
Save: 19%
Save: $169.41
Exhaust System Kit
Description: 3in. Cat-Back Single Rear Exit Aluminized Steel. Note: 4in. Outside Diameter Tip Included.
Item #: S5508AL
Condition:
New
Price: $413.81
Sale: $334.99
Save: 19%
Save: $78.82
Exhaust System Kit
Description: 3in. Cat-Back Single Rear Exit T409 Stainless Steel. Note: 4in. Outside Diameter Tip Included.
Item #: S5508409
Condition:
New
Price: $549.69
Sale: $444.99
Save: 19%
Save: $104.70
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit Aluminized Steel. Note: Cutting Required for Installation. Excludes 2WD Crew Cab 6.5ft Box, 2PC Driveshaft. 4in. Outside Diameter Tip Included.
Item #: S5019AL
Condition:
New
Price: $617.63
Sale: $499.99
Save: 19%
Save: $117.64
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit Aluminized Steel. Note: 4in. Outside Diameter Tip Included. EXCL 2WD Crew Cab 6.5' Box (2 Piece Driveshaft).
Item #: S5087AL
Condition:
New
Price: $494.11
Sale: $399.99
Save: 19%
Save: $94.12
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit Aluminized Steel. Note: 4in. Outside Diameter Tip Included.
Item #: S5088AL
Condition:
New
Price: $463.22
Sale: $374.99
Save: 19%
Save: $88.23
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit Aluminized Steel. Note: 4in. Outside Diameter Tip Included.
Item #: S5090AL
Condition:
New
Price: $481.75
Sale: $389.99
Save: 19%
Save: $91.76
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit Aluminized Steel. Note: 4in. Outside Diameter Tip Included. Also fits 2019 RAM 1500 Classic.
Item #: S5142AL
Condition:
New
Price: $518.81
Sale: $419.99
Save: 19%
Save: $98.82
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit Aluminized Steel. Note: 4in. Outside Diameter Tip Included.
Item #: S5148AL
Condition:
New
Price: $463.22
Sale: $374.99
Save: 19%
Save: $88.23
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit Aluminized Steel. Note: No Tip Included.
Item #: S5148P
Condition:
New
Price: $431.24
Sale: $344.99
Save: 20%
Save: $86.25
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit Aluminized Steel. Note: 4in. Outside Diameter Tip Included.
Item #: S5153AL
Condition:
New
Price: $487.93
Sale: $394.99
Save: 19%
Save: $92.94
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit Aluminized Steel. Note: 4in. OD Tip Included. Excludes POWERBOOST.
Item #: S5211AL
Condition:
New
Price: $623.81
Sale: $504.99
Save: 19%
Save: $118.82
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit Aluminized Steel. Note: 4in. Outside Diameter Tip Included. Excludes Front Pipe.
Item #: S5216AL
Condition:
New
Price: $500.28
Sale: $404.99
Save: 19%
Save: $95.29
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit Aluminized Steel. Note: 4in. Outside Diameter Tip Included. Excludes 2019 Ford F150 Limited 3.5L EcoBoost High Output.
Item #: S5253AL
Condition:
New
Price: $537.34
Sale: $434.99
Save: 19%
Save: $102.35
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit Aluminized Steel. Note: 4in. Outside Diameter Tip Included.
Item #: S5256AL
Condition:
New
Price: $654.69
Sale: $529.99
Save: 19%
Save: $124.70
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit Black-Coated Aluminized Steel. Note: Cutting Required for Installation. Excludes 2WD Crew Cab 6.5ft Box, 2PC Driveshaft. 4in. Outside Diameter Tip Included.
Item #: S5019BLK
Condition:
New
Price: $802.93
Sale: $649.99
Save: 19%
Save: $152.94
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit Black Coated Aluminized Steel. Note: 4in. Outside Diameter Tip Included. EXCL 2WD Crew Cab 6.5' Box (2 Piece Driveshaft).
Item #: S5087BLK
Condition:
New
Price: $809.11
Sale: $654.99
Save: 19%
Save: $154.12
Exhaust System Kit
Description: 3in. Cat-Back Singe Side Exit Black Coated Aluminized Steel. Note: 4in. Outside Diameter Tip Included.
Item #: S5088BLK
Condition:
New
Price: $679.40
Sale: $549.99
Save: 19%
Save: $129.41
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit Black Coated Aluminized Steel. Note: 4in. Outside Diameter Tip Included.
Item #: S5090BLK
Condition:
New
Price: $592.93
Sale: $479.99
Save: 19%
Save: $112.94
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit Black Coated Aluminized Steel. Note: 4in. Outside Diameter Tip Included. Also fits 2019 RAM 1500 Classic.
Item #: S5142BLK
Condition:
New
Price: $753.52
Sale: $609.99
Save: 19%
Save: $143.53
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit Black Coated Aluminized Steel. Note: 4in. Outside Diameter Tip Included. Excludes 2019 Ford F150 Limited 3.5L EcoBoost High Output.
Item #: S5253BLK
Condition:
New
Price: $827.63
Sale: $669.99
Save: 19%
Save: $157.64
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit Black Coated Aluminized Steel. Note: 4in. Outside Diameter Tip Included.
Item #: S5256BLK
Condition:
New
Price: $932.63
Sale: $754.99
Save: 19%
Save: $177.64
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit Black Coated. Note: 4in. OD Tip Included. Excludes POWERBOOST.
Item #: S5211BLK
Condition:
New
Price: $895.58
Sale: $724.99
Save: 19%
Save: $170.59
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit T304 Stainless Steel. Note: Cutting Required for Installation. Excludes 2WD Crew Cab 6.5ft Box, 2PC Driveshaft. 4in. Outside Diameter Tip Included.
Item #: S5019304
Condition:
New
Price: $1,049.99
Sale: $849.99
Save: 19%
Save: $200.00
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit T304 Stainless Steel. Note: 4in. Outside Diameter Tip Included.
Item #: S5090304
Condition:
New
Price: $685.58
Sale: $554.99
Save: 19%
Save: $130.59
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit T304 Stainless Steel. Note: 4in. Outside Diameter Tip Included.
Item #: S5153304
Condition:
New
Price: $901.75
Sale: $729.99
Save: 19%
Save: $171.76
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit T304 Stainless Steel. Note: 4in. OD Tip Included. Excludes POWERBOOST.
Item #: S5211304
Condition:
New
Price: $1,000.58
Sale: $809.99
Save: 19%
Save: $190.59
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit T409 Stainless Steel. Note: 4in. Outside Diameter Tip Included. Also fits 2019 RAM 1500 Classic.
Item #: S5142409
Condition:
New
Price: $636.16
Sale: $514.99
Save: 19%
Save: $121.17
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit T409 Stainless Steel. Note: 4in. Outside Diameter Tip Included.
Item #: S5148409
Condition:
New
Price: $753.52
Sale: $609.99
Save: 19%
Save: $143.53
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit T409 Stainless Steel. Note: 4in. Outside Diameter Tip Included. Excludes 2019 Ford F150 Limited 3.5L EcoBoost High Output.
Item #: S5253409
Condition:
New
Price: $691.75
Sale: $559.99
Save: 19%
Save: $131.76
Exhaust System Kit
Description: 3in. Cat-Back Single Side Exit T409 Stainless Steel. Note: 4in. Outside Diameter Tip Included.
Item #: S5256409
Condition:
New
Price: $827.63
Sale: $669.99
Save: 19%
Save: $157.64
Exhaust System Kit
Description: 4in. Cat-Back Dual Side Exit Aluminized Steel. Note: 5in. Outside Diameter Tip Included. This Exhaust has an Aggressive Exhaust Tone.
Item #: S5208AL
Condition:
New
Price: $697.93
Sale: $564.99
Save: 19%
Save: $132.94
Exhaust System Kit
Description: 4in. Cat-Back Dual Split Side Exit Aluminized Steel. Note: 5in. Outside Diameter Tips Included. This Exhaust has an Aggressive Exhaust Tone.
Item #: S5151AL
Condition:
New
Price: $870.87
Sale: $704.99
Save: 19%
Save: $165.88
Exhaust System Kit
Description: 4in. Cat-Back Dual Split Side Exit T409 Stainless Steel. Note: 5in. Outside Diameter Tips Included. This Exhaust has an Aggressive Exhaust Tone.
Item #: S5151409
Condition:
New
Price: $1,037.63
Sale: $839.99
Save: 19%
Save: $197.64
Exhaust System Kit
Description: 4in. Cat-Back Single Side Dual Outlet Aluminized Steel. Note: 5in. Outside Diameter Tips Included. This Exhaust Has an Aggressive Exhaust Tone.
Item #: S5150AL
Condition:
New
Price: $870.87
Sale: $704.99
Save: 19%
Save: $165.88
Exhaust System Kit
Description: 4in. Cat-Back Single Side Dual Outlet T409 Stainless Steel. Note: 5in. Outside Diameter Tips Included. This Exhaust Has an Aggressive Exhaust Tone.
Item #: S5150409
Condition:
New
Price: $1,049.99
Sale: $849.99
Save: 19%
Save: $200.00
Exhaust System Kit
Description: 4in. Cat-Back Single Side Exit Aluminized Steel. Note: 5in. Outside Diameter Tip Included.
Item #: S5149AL
Condition:
New
Price: $617.63
Sale: $499.99
Save: 19%
Save: $117.64
Exhaust System Kit
Description: 4in. Cat-Back Single Side Exit Aluminized Steel. Note: 5in. Outside Diameter Tip Included. This Exhaust has an Aggressive Exhaust Tone.
Item #: S5206AL
Condition:
New
Price: $494.11
Sale: $399.99
Save: 19%
Save: $94.12
Exhaust System Kit
Description: 4in. Cat-Back Single Side Exit Aluminized Steel. Note: No Tip Included. This Exhaust has an Aggressive Exhaust Note.
Item #: S5206P
Condition:
New
Price: $456.24
Sale: $364.99
Save: 20%
Save: $91.25
Exhaust System Kit
Description: 4in. Cat-Back Single Side Exit Aluminized Steel. Note: 5in. Outside Diameter Tip Included. This exhaust kit has one of the most aggressive sounds in the MBRP product line.
Item #: S5259AL
Condition:
New
Price: $611.46
Sale: $494.99
Save: 19%
Save: $116.47
Exhaust System Kit
Description: 4in. Cat-Back Single Side Exit Aluminized Steel. Note: 5in. Outside Diameter Tip Included.
Item #: S6000AL
Condition:
New
Price: $648.52
Sale: $524.99
Save: 19%
Save: $123.53
Exhaust System Kit
Description: 4in. Cat-Back Single Side Exit Aluminized Steel. Note: No Tip Included.
Item #: S6000P
Condition:
New
Price: $524.99
Sale: $419.99
Save: 20%
Save: $105.00
Exhaust System Kit
Description: 4in. Cat-Back Single Side Exit Aluminized Steel. Note: 4in. Front Pipe Included For Vehicles Not Equipped With A Catalytic Converter. 5in. Outside Diameter Tip Included.
Item #: S6004AL
Condition:
New
Price: $734.99
Sale: $594.99
Save: 19%
Save: $140.00
Exhaust System Kit
Description: 4in. Cat-Back Single Side Exit Aluminized Steel. Note: 4in. Front Pipe Included For Vehicles Not Equipped With A Catalytic Converter. No Tip Included.
Item #: S6004P
Condition:
New
Price: $656.24
Sale: $524.99
Save: 20%
Save: $131.25
Exhaust System Kit
Description: 4in. Cat-Back Single Side Exit Aluminized Steel. Note: 5in. Outside Diameter Tip Included.
Item #: S6108AL
Condition:
New
Price: $605.28
Sale: $489.99
Save: 19%
Save: $115.29
Exhaust System Kit
Description: 4in. Cat-Back Single Side Exit Aluminized Steel. Note: No Tip Included.
Item #: S6108P
Condition:
New
Price: $524.99
Sale: $419.99
Save: 20%
Save: $105.00
Exhaust System Kit
Description: 4in. Cat-Back Single Side Exit Aluminized Steel. Note: 5in. Outside Diameter Tip Included.
Item #: S6208AL
Condition:
New
Price: $549.69
Sale: $444.99
Save: 19%
Save: $104.70
Exhaust System Kit
Description: 4in. Cat-Back Single Side Exit Aluminized Steel. Note: No Tip Included.
Item #: S6208P
Condition:
New
Price: $456.24
Sale: $364.99
Save: 20%
Save: $91.25
Exhaust System Kit
Description: 4in. Cat-Back Single Side Exit Black Coated Aluminized Steel. Note: 5in. Outside Diameter Tip Included. This Exhaust kit has one of the most aggressive sounds in the MBRP product line.
Item #: S5259BLK
Condition:
New
Price: $1,087.05
Sale: $879.99
Save: 19%
Save: $207.06
Exhaust System Kit
Description: 4in. Cat-Back Single Side Exit No Muffler Aluminized Steel. Note: 4in. Front Pipe Included For Vehicles Not Equipped With A Catalytic Converter. No Tip Included.
Item #: S6004PLM
Condition:
New
Price: $581.24
Sale: $464.99
Save: 20%
Save: $116.25
Exhaust System Kit
Description: 4in. Cat-Back Single Side Exit No Muffler T409 Stainless Steel. Note: 4in. Front Pipe Included For Vehicles Not Equipped With A Catalytic Converter. No Tip Included.
Item #: S6004SLM
Condition:
New
Price: $743.74
Sale: $594.99
Save: 20%
Save: $148.75
Exhaust System Kit
Description: 4in. Cat-Back Single Side Exit Race Version Aluminized Steel. Note: 5in. Outside Diameter Tip Included. Very Aggressive on the 5.0L. Excludes PowerBoost.
Item #: S5209AL
Condition:
New
Price: $543.52
Sale: $439.99
Save: 19%
Save: $103.53
Exhaust System Kit
Description: 4in. Cat-Back Single Side Exit Race Version Black Coated Aluminized Steel. Note: 5in. Outside Diameter Tip Included. Very Aggressive on the 5.0L. Excludes PowerBoost.
Item #: S5209BLK
Condition:
New
Price: $969.69
Sale: $784.99
Save: 19%
Save: $184.70
Exhaust System Kit
Description: 4in. Cat-Back Single Side Exit Race Version T304 Stainless Steel. Note: 5in. Outside Diameter Tip Included. Very Aggressive on the 5.0L. Excludes PowerBoost.
Item #: S5209304
Condition:
New
Price: $969.69
Sale: $784.99
Save: 19%
Save: $184.70
Exhaust System Kit
Description: 4in. Cat-Back Single Side Exit Race Version T409 Stainless Steel. Note: 5in. Outside Diameter Tip Included. Very Aggressive on the 5.0L. Excludes PowerBoost.
Item #: S5209409
Condition:
New
Price: $679.40
Sale: $549.99
Save: 19%
Save: $129.41