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Product Information

Product Details
Part No. 11553FLT
Warranty Details (90 DAY REPLACEMENT IF DEFECTIVE)
Product Features:
  • CNC Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increases the cylinder scavenging effect and improves engine breathing
  • Heavy duty 16-gauge 409SS tubing for increased strength and durability
  • 2-1/4" tubing diameter for increased exhaust flow increasing performance and improved throttle response
  • Extended 4" collector for maximum strength and exhaust flow
  • Extra thick 7/16" header flange for a leak-free seal and maximum strength
  • Welded-in collector merge spears to control exhaust gas re-entry into primary tubes
  • Center of exhaust port to end of collector length is 33-1/2"
Specifications
Application:
Big Block Chevy

Brand:
Flowtech Exhaust

Category:
Exhaust

Collector Attachment:
Weld-On

Collector Diameter:
4.00 in

Collector Port Diameter:
4.00 in

Color:
Black

EGT Port:
No

Finish:
Painted

Flange Thickness:
0.4375 in

Gasket Or Seal Included:
Yes

Grade Type:
Performance

Material:
409 Stainless Steel

Mounting Hardware Included:
No

Oxygen Sensor Port:
No

Port Shape:
Round

Primary Tubing Diameter:
2.250 in

Product Type:
Headers

Sheen Level:
Satin

Sub Category:
Exhaust Manifolds
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