Stainless Headers Mfg, Inc. - 4 into 1 321 Stainless Steel Performance Merge Collectors

16ga 321 Stainless Merge Collectors (.065") - 4 into 1 321 Stainless Steel Performance Merge Collectors

Our 4 into 1 321 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 base exit, straight exit, or transitional exit 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.

Browse 4 into 1 321 Stainless Steel Performance Merge Collectors Products

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Items 1-10 of 10
Stainless Headers - 1 1/2" Primary 4 into 1 Performance Merge Collector-16ga 321ss
16ga 321 Stainless Merge Collectors (.065") - 4 into 1 321 Stainless Steel Performance Merge Collectors - Stainless Headers - 1 1/2" Primary 4 into 1 Performance Merge Collector-16ga 321ss
1 1/2" Primary 4 into 1 Performance Merge Collector-16ga 321ss
(0) Reviews: Write first review
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
Stainless Headers - 1 3/4" Primary 4 into 1 Performance Merge Collector-16ga 321ss
16ga 321 Stainless Merge Collectors (.065") - 4 into 1 321 Stainless Steel Performance Merge Collectors - Stainless Headers - 1 3/4" Primary 4 into 1 Performance Merge Collector-16ga 321ss
1 3/4" Primary 4 into 1 Performance Merge Collector-16ga 321ss
(0) Reviews: Write first review
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

Stainless Headers - 1 7/8" Primary 4 into 1 Performance Merge Collector-16ga 321ss
16ga 321 Stainless Merge Collectors (.065") - 4 into 1 321 Stainless Steel Performance Merge Collectors - Stainless Headers - 1 7/8" Primary 4 into 1 Performance Merge Collector-16ga 321ss
1 7/8" Primary 4 into 1 Performance Merge Collector-16ga 321ss
(0) Reviews: Write first review
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

Stainless Headers - 2 1/2" Primary 4 into 1 Performance Merge Collector-16ga 321ss
16ga 321 Stainless Merge Collectors (.065") - 4 into 1 321 Stainless Steel Performance Merge Collectors - Stainless Headers - 2 1/2" Primary 4 into 1 Performance Merge Collector-16ga 321ss
2 1/2" Primary 4 into 1 Performance Merge Collector-16ga 321ss
(0) Reviews: Write first review
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
Stainless Headers - 2 1/2" Primary 4 into 1 Performance Merge Collector-18ga 321ss
16ga 321 Stainless Merge Collectors (.065") - 4 into 1 321 Stainless Steel Performance Merge Collectors - Stainless Headers - 2 1/2" Primary 4 into 1 Performance Merge Collector-18ga 321ss
2 1/2" Primary 4 into 1 Performance Merge Collector-18ga 321ss
(0) Reviews: Write first review
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
Stainless Headers - 2 1/4" Primary 4 into 1 Performance Merge Collector-16ga 321ss
16ga 321 Stainless Merge Collectors (.065") - 4 into 1 321 Stainless Steel Performance Merge Collectors - Stainless Headers - 2 1/4" Primary 4 into 1 Performance Merge Collector-16ga 321ss
2 1/4" Primary 4 into 1 Performance Merge Collector-16ga 321ss
(0) Reviews: Write first review
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

Stainless Headers - 2 1/8" Primary 4 into 1 Performance Merge Collector-16ga 321ss
16ga 321 Stainless Merge Collectors (.065") - 4 into 1 321 Stainless Steel Performance Merge Collectors - Stainless Headers - 2 1/8" Primary 4 into 1 Performance Merge Collector-16ga 321ss
2 1/8" Primary 4 into 1 Performance Merge Collector-16ga 321ss
(0) Reviews: Write first review
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
Stainless Headers - 2 3/8" Primary 4 into 1 Performance Merge Collector-16ga 321ss
16ga 321 Stainless Merge Collectors (.065") - 4 into 1 321 Stainless Steel Performance Merge Collectors - Stainless Headers - 2 3/8" Primary 4 into 1 Performance Merge Collector-16ga 321ss
2 3/8" Primary 4 into 1 Performance Merge Collector-16ga 321ss
(0) Reviews: Write first review
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

Stainless Headers - 2" Primary 4 into 1 Performance Merge Collector-16ga 321ss
16ga 321 Stainless Merge Collectors (.065") - 4 into 1 321 Stainless Steel Performance Merge Collectors - Stainless Headers - 2" Primary 4 into 1 Performance Merge Collector-16ga 321ss
2" Primary 4 into 1 Performance Merge Collector-16ga 321ss
(0) Reviews: Write first review
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
Stainless Headers - 2" Primary 4 into 1 Performance Merge Collector-18ga 321ss
16ga 321 Stainless Merge Collectors (.065") - 4 into 1 321 Stainless Steel Performance Merge Collectors - Stainless Headers - 2" Primary 4 into 1 Performance Merge Collector-18ga 321ss
2" Primary 4 into 1 Performance Merge Collector-18ga 321ss
(0) Reviews: Write first review
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
Items 1-10 of 10

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More About 4 into 1 321 Stainless Steel Performance Merge Collectors

Our 4 into 1 321 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 base exit, straight exit, or transitional exit 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.