Please see FAQ below for more information on understanding our part numbers, or contact customer service for assistance
If it's not in stock, 1s and 4s will be your quickest lead time!
Miter
Height | Part Number |
24" | 105A*-024-1103 |
36" | 105A-036-1103 |
44" | 105A-044-1103 |
48" | 105A-048-1103 |
54" | 105A-054-1103 |
60" | 105A-060-1103 |
64" | 105A-064-1103 |
68" | 105A-068-1103 |
72" | 105A-072-1103 |
84" | 105A-084-1103 |
96" | 105A-096-1103 |
108" | 105A-108-1103 |
114" | 105A-114-1103 |
120" | 105A-120-1103 |
Curve
Height | Part Number |
24" | 205A-024-1103 |
36" | 205A-036-1103 |
44" | 205A-044-1103 |
48" | 205A-048-1103 |
54" | 205A-054-1103 |
60" | 205A-060-1103 |
64" | 205A-064-1103 |
68" | 205A-068-1103 |
72" | 205A-072-1103 |
84" | 205A-084-1103 |
96" | 205A-096-1103 |
108" | 205A-108-1103 |
114" | 205A-114-1103 |
120" | 205A-120-1103 |
Bullhorn
Height | Part Number |
24" | 305A-024-1103 |
36" | 305A-036-1103 |
44" | 305A-044-1103 |
48" | 305A-048-1103 |
54" | 305A-054-1103 |
60" | 305A-060-1103 |
64" | 305A-064-1103 |
68" | 305A-068-1103 |
72" | 305A-072-1103 |
84" | 305A-084-1103 |
96" | 305A-096-1103 |
108" | 305A-108-1103 |
114" | 305A-114-1103 |
120" | 305A-120-1103 |
Flat Top
Height | Part Number |
24" | 405A-024-1103 |
36" | 405A-036-1103 |
44" | 405A-044-1103 |
48" | 405A-048-1103 |
54" | 405A-054-1103 |
60" | 405A-060-1103 |
64" | 405A-064-1103 |
68" | 405A-068-1103 |
72" | 405A-072-1103 |
84" | 405A-084-1103 |
96" | 405A-096-1103 |
108" | 405A-108-1103 |
114" | 405A-114-1103 |
120" | 405A-120-1103 |
Short 30
Height | Part Number |
24" | 505A*-024-1103 |
36" | 505A-036-1103 |
44" | 505A-044-1103 |
48" | 505A-048-1103 |
54" | 505A-054-1103 |
60" | 505A-060-1103 |
64" | 505A-064-1103 |
68" | 505A-068-1103 |
72" | 505A-072-1103 |
84" | 505A-084-1103 |
96" | 505A-096-1103 |
108" | 505A-108-1103 |
114" | 505A-114-1103 |
120" | 505A-120-1103 |
West Coast Curve
Height | Part Number |
24" | 605A-024-1103 |
36" | 605A-036-1103 |
44" | 605A-044-1103 |
48" | 605A-048-1103 |
54" | 605A-054-1103 |
60" | 605A-060-1103 |
64" | 605A-064-1103 |
68" | 605A-068-1103 |
72" | 605A-072-1103 |
84" | 605A-084-1103 |
96" | 605A-096-1103 |
108" | 605A-108-1103 |
114" | 605A-114-1103 |
120" | 605A-120-1103 |
Diablo Left (Driver) Side
Height | Part Number |
24" | 705LA-024-1103 |
36" | 705LA-036-1103 |
44" | 705LA-044-1103 |
48" | 705LA-048-1103 |
54" | 705LA-054-1103 |
60" | 705LA-060-1103 |
64" | 705LA-064-1103 |
68" | 705LA-068-1103 |
72" | 705LA-072-1103 |
84" | 705LA-084-1103 |
96" | 705LA-096-1103 |
108" | 705LA-108-1103 |
114" | 705LA-114-1103 |
120" | 705LA-120-1103 |
Diablo Right (Pass.) Side
Height | Part Number |
24" | 705RA-024-1103 |
36" | 705RA-036-1103 |
44" | 705RA-044-1103 |
48" | 705RA-048-1103 |
54" | 705RA-054-1103 |
60" | 705RA-060-1103 |
64" | 705RA-064-1103 |
68" | 705RA-068-1103 |
72" | 705RA-072-1103 |
84" | 705RA-084-1103 |
96" | 705RA-096-1103 |
108" | 705RA-108-1103 |
114" | 705RA-114-1103 |
120" | 705RA-120-1103 |
Miter
Height | Part Number |
30" | 106A*-030-1103 |
36" | 106A-036-1103 |
44" | 106A-044-1103 |
48" | 106A-048-1103 |
54" | 106A-054-1103 |
60" | 106A-060-1103 |
64" | 106A-064-1103 |
68" | 106A-068-1103 |
72" | 106A-072-1103 |
84" | 106A-084-1103 |
96" | 106A-096-1103 |
108" | 106A-108-1103 |
114" | 106A-114-1103 |
120" | 106A-120-1103 |
Curve
Height | Part Number |
30" | 206A-030-1103 |
36" | 206A-036-1103 |
44" | 206A-044-1103 |
48" | 206A-048-1103 |
54" | 206A-054-1103 |
60" | 206A-060-1103 |
64" | 206A-064-1103 |
68" | 206A-068-1103 |
72" | 206A-072-1103 |
84" | 206A-084-1103 |
96" | 206A-096-1103 |
108" | 206A-108-1103 |
114" | 206A-114-1103 |
120" | 206A-120-1103 |
Bullhorn
Height | Part Number |
30" | 306A-030-1103 |
36" | 306A-036-1103 |
44" | 306A-044-1103 |
48" | 306A-048-1103 |
54" | 306A-054-1103 |
60" | 306A-060-1103 |
64" | 306A-064-1103 |
68" | 306A-068-1103 |
72" | 306A-072-1103 |
84" | 306A-084-1103 |
96" | 306A-096-1103 |
108" | 306A-108-1103 |
114" | 306A-114-1103 |
120" | 306A-120-1103 |
Flat Top
Height | Part Number |
30" | 406A-030-1103 |
36" | 406A-036-1103 |
44" | 406A-044-1103 |
48" | 406A-048-1103 |
54" | 406A-054-1103 |
60" | 406A-060-1103 |
64" | 406A-064-1103 |
68" | 406A-068-1103 |
72" | 406A-072-1103 |
84" | 406A-084-1103 |
96" | 406A-096-1103 |
108" | 406A-108-1103 |
114" | 406A-114-1103 |
120" | 406A-120-1103 |
Short 30
Height | Part Number |
30" | 506A*-030-1103 |
36" | 506A-036-1103 |
44" | 506A-044-1103 |
48" | 506A-048-1103 |
54" | 506A-054-1103 |
60" | 506A-060-1103 |
64" | 506A-064-1103 |
68" | 506A-068-1103 |
72" | 506A-072-1103 |
84" | 506A-084-1103 |
96" | 506A-096-1103 |
108" | 506A-108-1103 |
114" | 506A-114-1103 |
120" | 506A-120-1103 |
West Coast Curve
Height | Part Number |
30" | 606A-030-1103 |
36" | 606A-036-1103 |
44" | 606A-044-1103 |
48" | 606A-048-1103 |
54" | 606A-054-1103 |
60" | 606A-060-1103 |
64" | 606A-064-1103 |
68" | 606A-068-1103 |
72" | 606A-072-1103 |
84" | 606A-084-1103 |
96" | 606A-096-1103 |
108" | 606A-108-1103 |
114" | 606A-114-1103 |
120" | 606A-120-1103 |
Diablo Left (Driver) Side
Height | Part Number |
30" | 706LA-030-1103 |
36" | 706LA-036-1103 |
44" | 706LA-044-1103 |
48" | 706LA-048-1103 |
54" | 706LA-054-1103 |
60" | 706LA-060-1103 |
64" | 706LA-064-1103 |
68" | 706LA-068-1103 |
72" | 706LA-072-1103 |
84" | 706LA-084-1103 |
96" | 706LA-096-1103 |
108" | 706LA-108-1103 |
114" | 706LA-114-1103 |
120" | 706LA-120-1103 |
Diablo Right (Pass.) Side
Height | Part Number |
30" | 706RA-030-1103 |
36" | 706RA-036-1103 |
44" | 706RA-044-1103 |
48" | 706RA-048-1103 |
54" | 706RA-054-1103 |
60" | 706RA-060-1103 |
64" | 706RA-064-1103 |
68" | 706RA-068-1103 |
72" | 706RA-072-1103 |
96" | 706RA-096-1103 |
108" | 706RA-108-1103 |
114" | 706RA-114-1103 |
120" | 706RA-120-1103 |
Miter
Height | Part Number |
30" | 107A*-030-1103 |
36" | 107A-036-1103 |
44" | 107A-044-1103 |
48" | 107A-048-1103 |
54" | 107A-054-1103 |
60" | 107A-060-1103 |
64" | 107A-064-1103 |
68" | 107A-068-1103 |
72" | 107A-072-1103 |
84" | 107A-084-1103 |
96" | 107A-096-1103 |
108" | 107A-108-1103 |
114" | 107A-114-1103 |
120" | 107A-120-1103 |
Curve
Height | Part Number |
30" | 207A-030-1103 |
36" | 207A-036-1103 |
44" | 207A-044-1103 |
48" | 207A-048-1103 |
54" | 207A-054-1103 |
60" | 207A-060-1103 |
64" | 207A-064-1103 |
68" | 207A-068-1103 |
72" | 207A-072-1103 |
84" | 207A-084-1103 |
96" | 207A-096-1103 |
108" | 207A-108-1103 |
114" | 207A-114-1103 |
120" | 207A-120-1103 |
Bullhorn
Height | Part Number |
30" | 307A-030-1103 |
36" | 307A-036-1103 |
44" | 307A-044-1103 |
48" | 307A-048-1103 |
54" | 307A-054-1103 |
60" | 307A-060-1103 |
64" | 307A-064-1103 |
68" | 307A-068-1103 |
72" | 307A-072-1103 |
84" | 307A-084-1103 |
96" | 307A-096-1103 |
108" | 307A-108-1103 |
114" | 307A-114-1103 |
120" | 307A-120-1103 |
Flat Top
Height | Part Number |
30" | 407A-030-1103 |
36" | 407A-036-1103 |
44" | 407A-044-1103 |
48" | 407A-048-1103 |
54" | 407A-054-1103 |
60" | 407A-060-1103 |
64" | 407A-064-1103 |
68" | 407A-068-1103 |
72" | 407A-072-1103 |
84" | 407A-084-1103 |
96" | 407A-096-1103 |
108" | 407A-108-1103 |
114" | 407A-114-1103 |
120" | 407A-120-1103 |
Short 30
Height | Part Number |
30" | 507A*-030-1103 |
36" | 507A-036-1103 |
44" | 507A-044-1103 |
48" | 507A-048-1103 |
54" | 507A-054-1103 |
60" | 507A-060-1103 |
64" | 507A-064-1103 |
68" | 507A-068-1103 |
72" | 507A-072-1103 |
84" | 507A-084-1103 |
96" | 507A-096-1103 |
108" | 507A-108-1103 |
114" | 507A-114-1103 |
120" | 507A-120-1103 |
West Coast Curve
Height | Part Number |
30" | 607A-030-1103 |
36" | 607A-036-1103 |
44" | 607A-044-1103 |
48" | 607A-048-1103 |
54" | 607A-054-1103 |
60" | 607A-060-1103 |
64" | 607A-064-1103 |
68" | 607A-068-1103 |
72" | 607A-072-1103 |
84" | 607A-084-1103 |
96" | 607A-096-1103 |
108" | 607A-108-1103 |
114" | 607A-114-1103 |
120" | 607A-120-1103 |
Diablo Left (Driver) Side
Height | Part Number |
30" | 707LA-030-1103 |
36" | 707LA-036-1103 |
44" | 707LA-044-1103 |
48" | 707LA-048-1103 |
54" | 707LA-054-1103 |
60" | 707LA-060-1103 |
64" | 707LA-064-1103 |
68" | 707LA-068-1103 |
72" | 707LA-072-1103 |
84" | 707LA-084-1103 |
96" | 707LA-096-1103 |
108" | 707LA-108-1103 |
114" | 707LA-114-1103 |
120" | 707LA-120-1103 |
Diablo Right (Pass.) Side
Height | Part Number |
30" | 707RA-030-1103 |
36" | 707RA-036-1103 |
44" | 707RA-044-1103 |
48" | 707RA-048-1103 |
54" | 707RA-054-1103 |
60" | 707RA-060-1103 |
64" | 707RA-064-1103 |
68" | 707RA-068-1103 |
72" | 707RA-072-1103 |
84" | 707RA-084-1103 |
96" | 707RA-096-1103 |
108" | 707RA-108-1103 |
114" | 707RA-114-1103 |
120" | 707RA-120-1103 |
Miter
Height | Part Number |
36" | 108A*-036-1103 |
44" | 108A-044-1103 |
48" | 108A-048-1103 |
54" | 108A-054-1103 |
60" | 108A-060-1103 |
64" | 108A-064-1103 |
68" | 108A-068-1103 |
72" | 108A-072-1103 |
84" | 108A-084-1103 |
96" | 108A-096-1103 |
108" | 108A-108-1103 |
114" | 108A-114-1103 |
120" | 108A-120-1103 |
Curve
Height | Part Number |
36" | 208A-036-1103 |
44" | 208A-044-1103 |
48" | 208A-048-1103 |
54" | 208A-054-1103 |
60" | 208A-060-1103 |
64" | 208A-064-1103 |
68" | 208A-068-1103 |
72" | 208A-072-1103 |
84" | 208A-084-1103 |
96" | 208A-096-1103 |
108" | 208A-108-1103 |
114" | 208A-114-1103 |
120" | 208A-120-1103 |
Bullhorn
Height | Part Number |
36" | 308A-036-1103 |
44" | 308A-044-1103 |
48" | 308A-048-1103 |
54" | 308A-054-1103 |
60" | 308A-060-1103 |
64" | 308A-064-1103 |
68" | 308A-068-1103 |
72" | 308A-072-1103 |
84" | 308A-084-1103 |
96" | 308A-096-1103 |
108" | 308A-108-1103 |
114" | 308A-114-1103 |
120" | 308A-120-1103 |
Flat Top
Height | Part Number |
36" | 408A-036-1103 |
44" | 408A-044-1103 |
48" | 408A-048-1103 |
54" | 408A-054-1103 |
60" | 408A-060-1103 |
64" | 408A-064-1103 |
68" | 408A-068-1103 |
72" | 408A-072-1103 |
84" | 408A-084-1103 |
96" | 408A-096-1103 |
108" | 408A-108-1103 |
114" | 408A-114-1103 |
120" | 408A-120-1103 |
Short 30
Height | Part Number |
36" | 508A*-036-1103 |
44" | 508A-044-1103 |
48" | 508A-048-1103 |
54" | 508A-054-1103 |
60" | 508A-060-1103 |
64" | 508A-064-1103 |
68" | 508A-068-1103 |
72" | 508A-072-1103 |
84" | 508A-084-1103 |
96" | 508A-096-1103 |
108" | 508A-108-1103 |
114" | 508A-114-1103 |
120" | 508A-120-1103 |
West Coast Curve
Height | Part Number |
36" | 608A-036-1103 |
44" | 608A-044-1103 |
48" | 608A-048-1103 |
54" | 608A-054-1103 |
60" | 608A-060-1103 |
64" | 608A-064-1103 |
68" | 608A-068-1103 |
72" | 608A-072-1103 |
84" | 608A-084-1103 |
96" | 608A-096-1103 |
108" | 608A-108-1103 |
114" | 608A-114-1103 |
120" | 608A-120-1103 |
Diablo Left (Driver) Side
Height | Part Number |
36" | 708LA-036-1103 |
44" | 708LA-044-1103 |
48" | 708LA-048-1103 |
54" | 708LA-054-1103 |
60" | 708LA-060-1103 |
64" | 708LA-064-1103 |
68" | 708LA-068-1103 |
72" | 708LA-072-1103 |
84" | 708LA-084-1103 |
96" | 708LA-096-1103 |
108" | 708LA-108-1103 |
114" | 708LA-114-1103 |
120" | 708LA-120-1103 |
Diablo Right (Pass.) Side
Height | Part Number |
36" | 708RA-036-1103 |
44" | 708RA-044-1103 |
48" | 708RA-048-1103 |
54" | 708RA-054-1103 |
60" | 708RA-060-1103 |
64" | 708RA-064-1103 |
68" | 708RA-068-1103 |
72" | 708RA-072-1103 |
84" | 708RA-084-1103 |
96" | 708RA-096-1103 |
108" | 708RA-108-1103 |
114" | 708RA-114-1103 |
120" | 708RA-120-1103 |
Frequently Asked Questions on Exhaust Stacks
What is the difference between an OD and ID part?
Essentially, an OD part fits into an ID (expanded) fitting. OD is a male fitting, and ID is a female (expanded) fitting.
More commonly, we see stacks with reduced to 5" OD (xxxB items) in lengths between 30"-64", which are used in applications for trucks with existing mufflers in place. Also, stacks that are reduced to 5" ID (xxxD) are most often ordered in lengths of 72"-120", and are used in applications where the mufflers have been removed and the stack is installed using the factory elbow, which is more commonly an OD part- though we recommend checking the fittings in both applications.
In cases that do NOT match either description above-
xxxA end form stacks are typically used in our kits (with the exception of the SS 389 system).
xxxC end form stacks are used in cases where the customer has a stack with an OD fitting in the same diameter as the required stack, which does not have a taper-loc fitting, stack will fit over the stack of the same diameter.
Will these stacks discolor when used with a high heat application (new truck w/DPF/DEF)?
Yes, in our product line, part numbers ending in -1103 are chrome-plated mild steel, and are not designed to withstand the high heat of the DPF/DEF applications.
How can I tell I am ordering the correct part number?
Our stack part numbers are all built the same way. Once you understand which digits within the item number designate what, it is easy to build the item number you need. Each stack number consists of 11 digits-
XXXX-XXX-XXXX
The first block of 4 digits dictates the stack style, diameter, and end form.
1-Style (1-Miter, 2-Standard Curve, 3-Bullhorn, 4- Flat Top, 5-Short 30, 6- West Coast Curve, 7-Diablo)
2-N/A- this digit will always be a zero/0.
3-Diameter (5- designates a 5" DIA stack, 6- designates a 6" DIA stack, 7- designates a 7" DIA stack, 8- designates an 8" DIA stack)
4- designates the end form (or, bottom) of the stack. A- OD/straight cut, B- Reduced to 5" OD (typically for muffler applications), C- ID/expanded end form (non-reduced), D- Reduced to 5" ID (expanded-typically work with non-expanded factory elbows)
example: item 107A would be a MITER in 7" DIA, with an OD end form
The second block of 3 digits designates only the height of the stack.
example: 36" stack would be -036-, 44" would be -044-, 96" stack would be -096- and so on
The remaining 4 digits of our part numbers designate the finish of the stack.
On almost all applications, the part number will end in -1103, which designates a finished, chrome-plated mild steel stack. The only real exception to this is in cases where a non-plated stack is required, which would be for non-cosmetic applications or applications where a customer is looking to powder-coat a stack. In this case, the part number would end in -1102, which designates a fabricated, polished item, which is ready to be plated.
Do you offer a stack with an extended reduction area?
We do, but at present that option is only available in our NeverBlue line in lengths of 36"-64", and is designated by the -R end form. Please see the NeverBlue product page for more information, or contact customer service.
My application requires a length that is not offered- do you offer custom parts?
Yes, we do offer custom lengths and custom parts. Please be advised that on many of these custom orders, we typically experience wait times that may exceed 8-10 weeks in some cases, and returns on custom parts are not authorized.
Please contact customer service to obtain a Custom Item Request form, which we will require to be completed by the customer and returned for approval. If item is approved by our production team, we will require the customer to sign off on the prints, stating that the item is as requested and non-returnable.