Free Shipping Choose Options 5" Peterbilt 359 379 389 Glider OG Old School Exhaust Kit by Dynaflex Chrome Dynaflex Exhaust MSRP: Now: $4,851.56 - $5,769.08 Was: 5" Peterbilt 359 379 389 Glider OG Old School Exhaust Kit by Dynaflex Chrome Modern Design Meets A Classic Look! Premier Quality Stacks With A Look That Is Unmatched! 5" Dynaflex OG Chrome Exhaust Kit Fits Peterbilt 379 and 359 Trucks Also Fits... MSRP: Now: $4,851.56 - $5,769.08 Was: Choose Options
Add to Cart 5 Inch Semi Truck Muffler by Grand Rock Exhaust GrandRock MSRP: Now: $151.33 Was: 5 Inch Semi Truck Muffler by Grand Rock Exhaust Type 1 Muffler Inner Diameter Inlet: 5" Inner Diameter Outlet: 5" Length: 51" Inlet Tube Length: 3" Body Length: 44 1/2" Material: Aluminized Steel 1 Year Warranty Sold Individually Quality... MSRP: Now: $151.33 Was: Add to Cart
Free Shipping Choose Options Peterbilt 359 379 389 8" Chrome Exhaust Kit By RoadWorks RoadWorks MSRP: Now: $3,047.95 - $4,709.90 Was: Peterbilt 359 379 389 8" Chrome Exhaust Kit By RoadWorks *Fits 389 Glider Model Only. Does Not Fit 389 With DEF/DPF Systems 8" RoadWorks Chrome Exhaust Kit Fits Peterbilt 359, 379 And 389 Glider Models Kit Includes (2) One Piece Stacks - (2)... MSRP: Now: $3,047.95 - $4,709.90 Was: Choose Options
Free Shipping Choose Options Peterbilt 359 379 389 7" Chrome Exhaust Kit By RoadWorks RoadWorks MSRP: Now: $2,603.95 - $4,084.90 Was: Peterbilt 359 379 389 7" Chrome Exhaust Kit By RoadWorks *Fits 389 Glider Model Only. Does Not Fit 389 With DEF/DPF Systems 7" RoadWorks Chrome Exhaust Kit Fits Peterbilt 359, 379 And 389 Glider Models Kit Includes (2) One Piece Stacks - (2)... MSRP: Now: $2,603.95 - $4,084.90 Was: Choose Options
Free Shipping Choose Options Peterbilt 359 379 389 6" Chrome Exhaust Kit By RoadWorks RoadWorks MSRP: Now: $2,364.95 - $3,654.90 Was: Peterbilt 359 379 389 6" Chrome Exhaust Kit By RoadWorks *Fits 389 Glider Model Only. Does Not Fit 389 With DEF/DPF Systems 6" RoadWorks Chrome Exhaust Kit Fits Peterbilt 359, 379 And 389 Glider Models Kit Includes (2) One Piece Stacks - (2)... MSRP: Now: $2,364.95 - $3,654.90 Was: Choose Options
Free Shipping Choose Options Peterbilt 389 Short Hood 8" Dynaflex Chrome Exhaust Kit For Day Cab Trucks Dynaflex Exhaust MSRP: Now: $6,841.12 Was: Peterbilt 389 Short Hood 8" Dynaflex Chrome Exhaust Kit For Day Cab Trucks *This Kit Will Only Work On Day Cab Short Hood Peterbilt 389 Trucks Years 2011-2017 Premier Quality Stacks With A Look That Is Unmatched! Fits Peterbilt 389 Short Hood Day... MSRP: Now: $6,841.12 Was: Choose Options
Free Shipping Choose Options Peterbilt 389 Short Hood 7" Dynaflex Chrome Exhaust Kit For Day Cab Trucks Dynaflex Exhaust MSRP: Now: $6,549.13 Was: Peterbilt 389 Short Hood 7" Dynaflex Chrome Exhaust Kit For Day Cab Trucks *This Kit Will Only Work On Day Cab Short Hood Peterbilt 389 Trucks Years 2011-2017 Premier Quality Stacks With A Look That Is Unmatched! Fits Peterbilt 389 Short Hood Day... MSRP: Now: $6,549.13 Was: Choose Options
Free Shipping Choose Options Peterbilt 389 Short Hood 6" Dynaflex Chrome Exhaust Kit For Day Cab Trucks Dynaflex Exhaust MSRP: Now: $5,942.48 Was: Peterbilt 389 Short Hood 6" Dynaflex Chrome Exhaust Kit For Day Cab Trucks *This Kit Will Only Work On Day Cab Short Hood Peterbilt 389 Trucks Years 2011-2017 Premier Quality Stacks With A Look That Is Unmatched! Fits Peterbilt 389 Short Hood Day... MSRP: Now: $5,942.48 Was: Choose Options
Free Shipping Choose Options Peterbilt 389 2018+ 8" Dynaflex Chrome Exhaust Kit Rod Pickett 90 Deg. Elbows Dynaflex Exhaust MSRP: Now: $5,823.62 - $8,126.65 Was: Peterbilt 389 2018+ 8" Dynaflex Chrome Exhaust Kit *Kit Is Designed To Be Installed On Trucks With DPF; If You Do Not Have A DPF, Please Call Before Purchasing *Engine OEM # Required To Provide Correct DPF Inlet Elbow Fitment Premier Quality Stacks... MSRP: Now: $5,823.62 - $8,126.65 Was: Choose Options
Free Shipping Choose Options Peterbilt 389 2018+ 7" Dynaflex Chrome Exhaust Kit Rod Pickett 90 Deg. Elbows Dynaflex Exhaust MSRP: Now: $5,568.92 - $7,190.26 Was: Peterbilt 389 2018+ 7" Dynaflex Chrome Exhaust Kit *Kit Is Designed To Be Installed On Trucks With DPF; If You Do Not Have A DPF, Please Call Before Purchasing *Engine OEM # Required To Provide Correct DPF Inlet Elbow Fitment Premier Quality Stacks... MSRP: Now: $5,568.92 - $7,190.26 Was: Choose Options
Free Shipping Choose Options Peterbilt 389 2018+ 6" Dynaflex Chrome Exhaust Kit Rod Pickett 90 Deg. Elbows Dynaflex Exhaust MSRP: Now: $4,983.06 - $6,684.69 Was: Peterbilt 389 2018+ 6" Dynaflex Chrome Exhaust Kit *Kit Is Designed To Be Installed On Trucks With DPF; If You Do Not Have A DPF, Please Call Before Purchasing *Engine OEM # Required To Provide Correct DPF Inlet Elbow Fitment Premier Quality Stacks... MSRP: Now: $4,983.06 - $6,684.69 Was: Choose Options
Choose Options DynaFlex Quiet Muffler Stack Insert Dynaflex Exhaust MSRP: Now: $180.95 - $188.95 Was: DynaFlex Quiet Muffler Stack Insert *Not for use with DPF systems. These stack muffler inserts from DynaFlex are made in the USA with high-quality raw materials, helping you reduce exhaust noise by as much as 15 dB! Free-Flow Muffler Stack... MSRP: Now: $180.95 - $188.95 Was: Choose Options
Choose Options 5" x 51" Muffler Eliminator GrandRock MSRP: Now: $115.95 - $245.09 Was: 5" x 51" Muffler Eliminator Muffler Eliminator Fits In Place Of Standard Mufflers 5" Diameter Overall Length: 51" Constructed Of Cold Roll Sold Individually Quality Made Product The muffler eliminator fits in place of standard mufflers. It... MSRP: Now: $115.95 - $245.09 Was: Choose Options
Free Shipping Choose Options Peterbilt 389 8" Dynaflex Chrome Exhaust Kit Rod Pickett 90 Deg. Elbow 2011-2017 Dynaflex Exhaust MSRP: Now: $5,848.77 - $9,039.01 Was: Peterbilt 389 Unibilt Sleeper 8" Dynaflex Chrome Exhaust Kit - 90 Degree Pickett Elbow *Kit Is Designed To Be Installed On Trucks With DPF; If You Do Not Have A DPF, Please Call Before Purchasing *Will Not Work On 389 Short Hoods. Please see our 389... MSRP: Now: $5,848.77 - $9,039.01 Was: Choose Options
Free Shipping Choose Options Peterbilt 389 8" Dynaflex Chrome Exhaust Kit OEM Style Elbow Dynaflex Exhaust MSRP: Now: $5,335.11 - $6,813.64 Was: Peterbilt 389 8" Dynaflex Chrome Exhaust Kit OEM Style Elbow *Kit Is Designed To Be Installed On Trucks With DPF; If You Do Not Have A DPF, Please Call Before Purchasing *Will Not Work On 389 Short Hoods. Please see our 389 Short Hood Listing For... MSRP: Now: $5,335.11 - $6,813.64 Was: Choose Options
Free Shipping Choose Options Peterbilt 389 7" Dynaflex Chrome Exhaust Kit OEM Style Elbow Dynaflex Exhaust MSRP: Now: $5,040.56 - $5,832.01 Was: Peterbilt 389 7" Dynaflex Chrome Exhaust Kit OEM Style Elbow *Kit Is Designed To Be Installed On Trucks With DPF; If You Do Not Have A DPF, Please Call Before Purchasing *Will Not Work On 389 Short Hoods. Please see our 389 Short Hood Listing For... MSRP: Now: $5,040.56 - $5,832.01 Was: Choose Options
Free Shipping Choose Options Peterbilt 389 6" Dynaflex Chrome Exhaust Kit OEM Style Elbow Dynaflex Exhaust MSRP: Now: $3,782.02 - $4,518.33 Was: Peterbilt 389 Unibilt Sleeper 6" Dynaflex Chrome Exhaust Kit - OEM Style Elbow *Kit Is Designed To Be Installed On Trucks With DPF; If You Do Not Have A DPF, Please Call Before Purchasing *Will Not Work On 389 Short Hoods. Please see our 389 Short... MSRP: Now: $3,782.02 - $4,518.33 Was: Choose Options
Free Shipping Choose Options Peterbilt 389 7" Dynaflex Chrome Exhaust Kit Rod Pickett 90 Deg. Elbow 2011-2017 Dynaflex Exhaust MSRP: Now: $5,815.48 - $8,246.61 Was: Peterbilt 389 Unibilt Sleeper 7" Dynaflex Chrome Exhaust Kit - 90 Degree Pickett Elbow *Kit Is Designed To Be Installed On Trucks With DPF; If You Do Not Have A DPF, Please Call Before Purchasing *Will Not Work On 389 Short Hoods. Please see our 389... MSRP: Now: $5,815.48 - $8,246.61 Was: Choose Options
Free Shipping Choose Options Peterbilt 5" Y Pipe for Long Elbow by RoadWorks RoadWorks MSRP: Now: $749.95 - $814.95 Was: Peterbilt 5" Y Pipe for Long Elbow by RoadWorks Upgrade your Peterbilt's exhaust system with the RoadWorks Taper Lock Y-Pipe for optimal performance and seamless installation. RoadWorks Taper Lock Y-Pipe Fits Peterbilt Models: 378... MSRP: Now: $749.95 - $814.95 Was: Choose Options
Free Shipping Choose Options Peterbilt Upper Mount Wide Exhaust Slider Clamp by RoadWorks RoadWorks MSRP: Now: $384.95 - $385.95 Was: Peterbilt Upper Mount Wide Exhaust Slider Clamp by RoadWorks Upgrade your Peterbilt with a RoadWorks Upper Mount Wide Exhaust Slider Clamp. Fits 6", 7", or 8" exhausts with OEM quality chrome plating. RoadWorks Upper Mount Wide Exhaust Slider... MSRP: Now: $384.95 - $385.95 Was: Choose Options