6 ID to 5 Inch OD Chrome Long Drop Elbow By BESTfit Fits Peterbilt* High Quality Exhaust Elbow * Chrome-Plated Steel* Long Drop* 90 Degree Bend* 6 Inch Reduced To 5 Inch OD Bottom * Dimensions:  - 6 Inch Tapered Top  - 5 Inch OD Bottom  -...

BESTfit Chrome-Plated Steel Exhaust Y-Pipe W/ 5 Inch ID Inlet & 5 Inch O.D. OutletsIntroducing the BESTfit Chrome 5 Inch ID/O.D. Y Exhaust Pipe, a replacement for OE number 14-13055. Designed to fit Peterbilt 377, 378 SBA/SFA, and 379 models, this...

BESTfit 5 Inch Aluminized Y Pipe RH ComboThe BESTfit 5 Inch Aluminized Y Pipe RH Combo is a durable, high-quality replacement for your Peterbilt 387 exhaust system. Designed to replace OE part number 14-25077, this right-hand side Y pipe offers excellent...

BESTfit 6 Inch Chrome Long Leg Elbow Reduces To 5 Inch O.D. W/ Tapered Top Fits Peterbilt 378, 379 & 389 GliderTransform your exhaust with the BESTfit 6 Inch Chrome Long Leg Elbow, compatible with Peterbilt 378, 379, and 389 Glider models. This...

BESTfit Exhaust Y-Pipe With Muffler Fits PeterbiltOptimize your Peterbilt's exhaust system with the BESTfit Steel Exhaust Y-Pipe, complete with a 9-inch muffler. This premium exhaust component is made from high-quality steel, offering unmatched longevity...

BESTfit Intermediate Pipe Plain Fits PeterbiltThis straight 5 OD x 18-inch chrome replacement pipe is designed for select Peterbilt 357, 378, and 379 trucks with dual exhaust systems above the frame. Crafted from premium materials, it promises durability...

BESTfit Muffler 55 Inch X 11 InchThis high quality 55 X 11 inch muffler fits Peterbilt 387 and Kenworth T2000 models. The muffler has an overall 5 inch ID and comes with a 1 year warranty.* High Quality Muffler* 11 Inch x 55 Inch x 61.5 Inch* Overall 5...

BESTfit Chrome Stainless Steel Wide Straight ClampEnsure your Peterbilt's exhaust is securely mounted with the BESTfit 6 Inch Chrome-Plated Stainless Steel Wide Straight Clamp. Specially designed to replace OE number 50BJ-PB700SCP, this high-quality...

7 ID to 7 Inch OD Chrome Long Drop Elbow By BESTfit Fits Peterbilt* High Quality Exhaust Elbow * Chrome-Plated Steel* Long Drop* 90 Degree Bend* With Tapered Top 7 Inch OD Bottom * Dimensions:  - 7 Inch ID/OD  - 8 Inch Radius  - 29 Inch...

BESTfit Passenger Side Chrome Multi-Bend Exhaust Elbow For Bottom Of Muffler Fits 379 PeterbiltThis high quality chrome 5 inch O.D. inlet & outlet multi-bend exhaust elbow fits Peterbilt 379 passenger side. It is made in the USA and comes with a 1 year...

7 ID to 5 Inch OD Chrome Long Drop Elbow By BESTfit Fits Peterbilt* High Quality Exhaust Elbow * Chrome-Plated Steel* Long Drop* 90 Degree Bend* 7 Inch Reduced To 5 Inch OD Bottom * Dimensions:  - 7 Inch ID Top  - 5 Inch OD Bottom  - 29...

BESTfit Chrome Stainless Steel Wide Straight ClampSecure your Peterbilt's exhaust with precision and style using the BESTfit 6 Inch Chrome-Plated Stainless Steel Wide Straight Clamp. Designed for use on Peterbilt 377, 378, 379, 386, 388, and 389 'models,...