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Stainless Headers Mfg, Inc. - 321 Stainless Steel Merge Collectors
Our 321 Stainless Steel merge collectors are handmade using USA bends. Engineered to obtain the high flow and velocity only available in a true merge collector, these units are available in 2-1, 3-1, 4-1, 5-1, 6-1, and 8-1 configurations for any application. Every unit is purge tig welded and incorporates a transition spike that is internally blended, making the transition from the primary tube to the collector as smooth as possible. This smooth transition maintains exhaust velocity, improving volumetric efficiency.
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321 Stainless Steel Merge Collectors Featured Products
Items 1-50 of 67
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321
Description:
Performance Slip-On Merge Collectors: 1 1/2" 2 into 1- 16ga (.063") Our 2 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-2-150-321
Condition:
New
Not Available
Price: $142.95
Description:
Performance Slip-On Merge Collectors: 1 1/2" 3 into 1- 16ga (.063") Our 3 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-3-150-321
Condition:
New
Not Available
Price: $276.95
321, 18ga
Description:
Performance Slip-On Merge Collectors: 1 1/2" 3 into 1- 18ga (.049") 321 Stainless Steel
Our 3 into 1- 18ga (.049") merge collectors are machined and hand fit to perfection. From there they...More Details »
Item #: SHM-MC-3-150-321-.049
Condition:
New
Limited Supply
*Built to Order. Lead time is 1-2 weeks*
Price: $339.95
Description:
Performance Slip-On Merge Collectors: 1 1/2" 4 into 1- 16ga (.063") Our 4 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-4-150-321
Condition:
New
Not Available
Price: $362.95
Description:
Performance Slip-On Merge Collectors: 1 1/2" 5 into 1- 16ga (.063") Our 4 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-5-150-321
Condition:
New
Price: $427.00
Description:
Performance Slip-On Merge Collectors: 1 1/2" 6 into 1- 16ga (.063") Our 6 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-6-150-321
Condition:
New
Price: $499.00
Description:
Performance Slip-On Merge Collectors: 1 1/2" 8 into 1- 16ga (.063") Our 8 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-8-150-321
Condition:
New
Price: $650.00
321
Description:
Performance Slip-On Merge Collectors: 1 1/2" 2 into 1- 16ga (.063") Our 2 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-2-175-321
Condition:
New
Not Available
Price: $189.95
Description:
Performance Slip-On Merge Collectors: 1 3/4" 3 into 1- 16ga (.063") Our 3 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-3-175-321
Condition:
New
Price: $292.95
Description:
Performance Slip-On Merge Collectors: 1 3/4" 4 into 1- 16ga (.063") Our 4 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-4-175-321
Condition:
New
Price: $368.95
Description:
Performance Slip-On Merge Collectors: 1 3/4" 5 into 1- 16ga (.063") Our 5 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-5-175-321
Condition:
New
Price: $451.00
Description:
Performance Slip-On Merge Collectors: 1 3/4" 8 into 1- 16ga (.063") Our 8 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-8-175-321
Condition:
New
Price: $725.00
321
Description:
Performance Slip-On Merge Collectors: 1 1/2" 2 into 1- 16ga (.063") Our 2 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-2-163-321
Condition:
New
Price: $160.95
Description:
Performance Slip-On Merge Collectors: 1 5/8" 3 into 1- 16ga (.063") Our 3 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-3-163-321
Condition:
New
Price: $292.95
Description:
Performance Slip-On Merge Collectors: 1 5/8" 5 into 1- 16ga (.063") Our 5 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-5-163-321
Condition:
New
Price: $438.00
Description:
Performance Slip-On Merge Collectors: 1 5/8" 6 into 1- 16ga (.063") Our 6 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-6-163-321
Condition:
New
Price: $505.00
Description:
Performance Slip-On Merge Collectors: 1 5/8" 8 into 1- 16ga (.063") Our 8 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-8-158-321
Condition:
New
Price: $700.00
321
Description:
Performance Slip-On Merge Collectors: 1 7/8" 2 into 1- 16ga (.063") Our 2 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-2-188-321
Condition:
New
Not Available
Price: $206.95
Description:
Performance Slip-On Merge Collectors: 1 7/8" 3 into 1- 16ga (.063") Our 3 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-3-188-321
Condition:
New
Price: $297.95
Description:
Performance Slip-On Merge Collectors: 1 7/8" 4 into 1- 16ga (.063") Our 4 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-4-188-321
Condition:
New
Price: $368.95
Description:
Performance Slip-On Merge Collectors: 1 7/8" 5 into 1- 16ga (.063") Our 5 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-5-188-321
Condition:
New
Price: $456.00
Description:
Performance Slip-On Merge Collectors: 1 7/8" 6 into 1- 16ga (.063") Our 6 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-6-188-321
Condition:
New
Price: $515.00
Description:
Performance Slip-On Merge Collectors: 1 7/8" 8 into 1- 16ga (.063") Our 8 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-8-188-321
Condition:
New
Price: $740.00
321
Description:
Performance Slip-On Merge Collectors: 2 1/2" 2 into 1- 16ga (.063") Our 2 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-2-250-321
Condition:
New
Not Available
Price: $270.95
321
Description:
Performance Slip-On Merge Collectors: 2 1/2" 2 into 1- 18ga (.049") Our 2 into 1- 18ga (.049") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-2-250-321-0.049
Condition:
New
Not Available
All 18ga Merge Collectors are Build-To-Order. Current lead times are 3-5 days.
Price: $324.95
Description:
Performance Slip-On Merge Collectors: 2 1/2" 3 into 1- 16ga (.063") Our 3 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-3-250-321
Condition:
New
Not Available
Price: $358.95
Description:
Performance Slip-On Merge Collectors: 2 1/2" 3 into 1- 18ga (.049") Our 3 into 1- 18ga (.049") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-3-250-321-0.049
Condition:
New
Not Available
All 18ga Merge Collectors are Build-To-Order. Current lead times are 3-5 days.
Price: $430.95
Description:
Performance Slip-On Merge Collectors: 2 1/2" 4 into 1- 16ga (.063") Our 4 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-4-250-321
Condition:
New
Not Available
Price: $494.95
Description:
Performance Slip-On Merge Collectors: 2 1/2" 4 into 1- 18ga (.049") Our 4 into 1- 18ga (.049") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-4-250-321-0.049
Condition:
New
Not Available
All 18ga Merge Collectors are Build-To-Order. Current lead times are 3-5 days.
Price: $593.95
Description:
Performance Slip-On Merge Collectors: 2 1/2" 5 into 1- 16ga (.063") Our 5 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-5-250-321
Condition:
New
Price: $500.00
Description:
Performance Slip-On Merge Collectors: 2 1/2" 5 into 1- 18ga (.049") Our 5 into 1- 18ga (.049") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-5-250-321-0.049
Condition:
New
Not Available
All 18ga Merge Collectors are Build-To-Order. Current lead times are 3-5 days.
Price: $629.95
Description:
321 Stainless Steel Performance Merge Collectors: 2 1/2" 6 into 1- 18ga (.049") Our 6 into 1- 18ga (.049") merge collectors are machined and hand fit to perfection. From there they are...More Details »
Item #: SHM-MC-6-250-321-0.049
Condition:
New
Not Available
All 18ga Merge Collectors are Build-To-Order. Current lead times are 3-5 days.
Price: $692.95
Description:
321 Stainless Steel Performance Merge Collectors: 2 1/2" 6 into 1- 16ga (.063") Our 6 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are...More Details »
Item #: SHM-MC-6-250-321
Condition:
New
Not Available
Price: $600.00
Description:
Performance Slip-On Merge Collectors: 2 1/2" 8 into 1- 16ga (.063") Our 8 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-8-250-321
Condition:
New
Price: $825.00
Description:
Performance Slip-On Merge Collectors: 2 1/2" 8 into 1- 18ga (.049") Our 8 into 1- 18ga (.049") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-8-250-321-0.049
Condition:
New
Not Available
All 18ga Merge Collectors are Build-To-Order. Current lead times are 3-5 days.
Price: $1,039.95
321
Description:
Performance Slip-On Merge Collectors: 2 1/4" 2 into 1- 16ga (.063") Our 2 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-2-225-321
Condition:
New
Price: $241.95
Description:
Performance Slip-On Merge Collectors: 2 1/4" 3 into 1- 16ga (.063") Our 3 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-3-225-321
Condition:
New
Price: $333.95
Description:
Performance Slip-On Merge Collectors: 2 1/4" 4 into 1- 16ga (.063") Our 4 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-4-225-321
Condition:
New
Price: $439.95
Description:
Performance Slip-On Merge Collectors: 2 1/4" 5 into 1- 16ga (.063") Our 5 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-5-225-321
Condition:
New
Price: $498.95
Description:
321 Stainless Steel Performance Merge Collectors: 2 1/4" 6 into 1- 16ga (.063") Our 6 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are...More Details »
Item #: SHM-MC-6-225-321
Condition:
New
Price: $550.00
Description:
Performance Slip-On Merge Collectors: 2 1/4" 8 into 1- 16ga (.063") Our 8 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-8-225-321
Condition:
New
Price: $775.00
321
Description:
Performance Slip-On Merge Collectors: 2 1/8" 2 into 1- 16ga (.063") Our 2 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-2-218-321
Condition:
New
Price: $224.95
Description:
Performance Slip-On Merge Collectors: 2 1/8" 3 into 1- 16ga (.063") Our 3 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-3-213-321
Condition:
New
Price: $327.95
Description:
Performance Slip-On Merge Collectors: 2 1/8" 4 into 1- 16ga (.063") Our 4 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-4-213-321
Condition:
New
Not Available
Price: $423.95
Description:
Performance Slip-On Merge Collectors: 2 1/8" 5 into 1- 16ga (.063") Our 5 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-5-213-321
Condition:
New
Price: $490.95
Description:
321 Stainless Steel Performance Merge Collectors: 2 1/8" 6 into 1- 16ga (.063") Our 6 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are...More Details »
Item #: SHM-MC-6-213-321
Condition:
New
Price: $540.00
Description:
Performance Slip-On Merge Collectors: 2 1/8" 8 into 1- 16ga (.063") Our 8 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-8-213-321
Condition:
New
Price: $765.00
321
Description:
Performance Slip-On Merge Collectors: 2 3/8" 2 into 1- 16ga (.063") Our 2 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-2-238-321
Condition:
New
Price: $247.95
Description:
Performance Slip-On Merge Collectors: 2 3/8" 3 into 1- 16ga (.063") Our 3 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-3-238-321
Condition:
New
Price: $348.95
Description:
Performance Slip-On Merge Collectors: 2 3/8" 4 into 1- 16ga (.063") Our 4 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are purge tig...More Details »
Item #: SHM-MC-4-238-321
Condition:
New
Price: $456.95
Items 1-50 of 67
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More About 321 Stainless Steel Merge Collectors
Our 321 Stainless Steel merge collectors are handmade using USA bends. Engineered to obtain the high flow and velocity only available in a true merge collector, these units are available in 2-1, 3-1, 4-1, 5-1, 6-1, and 8-1 configurations for any application. Every unit is purge tig welded and incorporates a transition spike that is internally blended, making the transition from the primary tube to the collector as smooth as possible. This smooth transition maintains exhaust velocity, improving volumetric efficiency.