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.
2 1/2" Primary 8 into 1 Performance Merge Collector-16ga 321ssNew
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 wel...
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
2 1/2" Primary 8 into 1 Performance Merge Collector-18ga 321ssNew
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 wel...
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
2 1/4" Primary 2 into 1 Performance Merge Collector-16ga 321ssNew
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 wel...
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
2 1/4" Primary 3 into 1 Performance Merge Collector-16ga 321ssNew
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 wel...
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
2 1/4" Primary 4 into 1 Performance Merge Collector-16ga 321ssNew
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 wel...
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
2 1/4" Primary 5 into 1 Performance Merge Collector-16ga 321ssNew
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 wel...
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 »
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 ...
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
2 1/4" Primary 8 into 1 Performance Merge Collector-16ga 321ssNew
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 wel...
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
2 1/8" Primary 2 into 1 Performance Merge Collector-16ga 321ssNew
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 wel...
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
2 1/8" Primary 3 into 1 Performance Merge Collector-16ga 321ssNew
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 wel...
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
2 1/8" Primary 4 into 1 Performance Merge Collector-16ga 321ssNew
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 wel...
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
2 1/8" Primary 5 into 1 Performance Merge Collector-16ga 321ssNew
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 wel...
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 »
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 ...
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
2 1/8" Primary 8 into 1 Performance Merge Collector-16ga 321ssNew
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 wel...
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
2 3/8" Primary 2 into 1 Performance Merge Collector-16ga 321ssNew
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 wel...
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
2 3/8" Primary 3 into 1 Performance Merge Collector-16ga 321ssNew
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 wel...
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
2 3/8" Primary 4 into 1 Performance Merge Collector-16ga 321ssNew
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 wel...
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
2 3/8" Primary 5 into 1 Performance Merge Collector-16ga 321ssNew
Performance Slip-On Merge Collectors: 2 3/8" 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 wel...
Description:
Performance Slip-On Merge Collectors: 2 3/8" 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 »
321 Stainless Steel Performance Merge Collectors: 2 3/8" 6 into 1- 16ga (.063") Our 6 into 1- 16ga (.063") merge collectors are machined and hand fit to perfection. From there they are ...
Description:
321 Stainless Steel Performance Merge Collectors: 2 3/8" 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-6-238-321
Condition: New
Price: $580.00
2 3/8" Primary 6 into 1 Performance Merge Collector-18ga 304ssNew
321 Stainless Steel Performance Merge Collectors: 2 3/8" 6 into 1- 18ga (.049") Our 6 into 1- 18ga (.049") merge collectors are machined and hand fit to perfection. From there they are ...
Description:
321 Stainless Steel Performance Merge Collectors: 2 3/8" 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-6-238-321-0.049
Condition: New
All 18ga Merge Collectors are Build-To-Order. Current lead times are 3-5 days.
Price: $669.95
2 3/8" Primary 8 into 1 Performance Merge Collector-16ga 321ssNew
Performance Slip-On Merge Collectors: 2 3/8" 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 wel...
Description:
Performance Slip-On Merge Collectors: 2 3/8" 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-8-238-321
Condition: New
Price: $815.00
2" Primary 2 into 1 Performance Merge Collector-16ga 321ssNew
Performance Slip-On Merge Collectors: 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 welded ...
Description:
Performance Slip-On Merge Collectors: 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 welded...More Details »
Item #: SHM-MC-2-200-321
Condition: New
Not Available
Price: $212.95
2" Primary 2 into 1 Performance Merge Collector-18ga 321ssNew
Performance Slip-On Merge Collectors: 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 welded ...
Description:
Performance Slip-On Merge Collectors: 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 welded...More Details »
Item #: SHM-MC-2-200-321-0.049
Condition: New
Not Available
All 18ga Merge Collectors are Build-To-Order. Current lead times are 3-5 days.
Price: $255.95
2" Primary 3 into 1 Performance Merge Collector-16ga 321ssNew
Performance Slip-On Merge Collectors: 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 welded ...
Description:
Performance Slip-On Merge Collectors: 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 welded...More Details »
Item #: SHM-MC-3-200-321
Condition: New
Not Available
Price: $302.95
2" Primary 3 into 1 Performance Merge Collector-18ga 321ssNew
Performance Slip-On Merge Collectors: 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 welded ...
Description:
Performance Slip-On Merge Collectors: 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 welded...More Details »
Item #: SHM-MC-3-200-321-0.049
Condition: New
Not Available
All 18ga Merge Collectors are Build-To-Order. Current lead times are 3-5 days.
Price: $362.95
2" Primary 4 into 1 Performance Merge Collector-16ga 321ssNew
Performance Slip-On Merge Collectors: 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 welded ...
Description:
Performance Slip-On Merge Collectors: 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 welded...More Details »
Item #: SHM-MC-4-200-321
Condition: New
Not Available
Price: $401.95
2" Primary 4 into 1 Performance Merge Collector-18ga 321ssNew
Performance Slip-On Merge Collectors: 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 welded ...
Description:
Performance Slip-On Merge Collectors: 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 welded...More Details »
Item #: SHM-MC-4-200-321-0.049
Condition: New
Not Available
All 18ga Merge Collectors are Build-To-Order. Current lead times are 3-5 days.
Price: $481.95
2" Primary 5 into 1 Performance Merge Collector-16ga 321ssNew
Performance Slip-On Merge Collectors: 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 welded ...
Description:
Performance Slip-On Merge Collectors: 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 welded...More Details »
Item #: SHM-MC-5-200-321
Condition: New
Not Available
Price: $478.95
2" Primary 5 into 1 Performance Merge Collector-18ga 321ssNew
Performance Slip-On Merge Collectors: 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 welded ...
Description:
Performance Slip-On Merge Collectors: 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 welded...More Details »
Item #: SHM-MC-5-200-321-0.049
Condition: New
Not Available
All 18ga Merge Collectors are Build-To-Order. Current lead times are 3-5 days.
Price: $575.95
2" Primary 6 into 1 Performance Merge Collector-16ga 321ssNew
Performance Slip-On Merge Collectors: 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 welded ...
Description:
Performance Slip-On Merge Collectors: 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 welded...More Details »
Item #: SHM-MC-6-200-321
Condition: New
Price: $515.00
2" Primary 6 into 1 Performance Merge Collector-18ga 321ssNew
Performance Slip-On Merge Collectors: 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 purge tig welded ...
Description:
Performance Slip-On Merge Collectors: 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 purge tig welded...More Details »
Item #: SHM-MC-6-200-321-0.049
Condition: New
Not Available
All 18ga Merge Collectors are Build-To-Order. Current lead times are 3-5 days.
Price: $648.95
2" Primary 8 into 1 Performance Merge Collector-16ga 321ssNew
Performance Slip-On Merge Collectors: 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 welded ...
Description:
Performance Slip-On Merge Collectors: 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 welded...More Details »
Item #: SHM-MC-8-2-321
Condition: New
Price: $750.00
2" Primary 8 into 1 Performance Merge Collector-18ga 321ssNew
Performance Slip-On Merge Collectors: 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 welded ...
Description:
Performance Slip-On Merge Collectors: 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 welded...More Details »
Item #: SHM-MC-8-2-321-0.049
Condition: New
Not Available
All 18ga Merge Collectors are Build-To-Order. Current lead times are 3-5 days.
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.