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Spectre

Spectre Header Reducer Kit - 2-1/2in.

MPN: 4642 Catalog #: 001316818 Category: Aluminum Tubing Check Vehicle Fitment

Product Details

Spectre's 2 1/2 inch - 2 1/4 inch Reducers include an extra thick 1/8 inch gasket. This reducer features nickel-plated steel and the gasket is made from compressed ceramic fiber (CCF), which far exceeds typical non-asbestos type gaskets. CCF will not deteriorate or crack from excessive heat or pressure. Nuts and bolts are included ensuring optimum fit and function.

Spectres 2 1/2 inch - 2 1/4 inch Reducers include an extra thick 1/8 inch gasket. This reducer features nickel-plated steel and the gasket is made from compressed ceramic fiber (CCF), which far exceeds typical non-asbestos type gaskets. CCF will not deteriorate or crack from excessive heat or pressure. Nuts and bolts are included ensuring optimum fit and function.

Spectre's 2 1/2 inch - 2 1/4 inch Reducers include an extra thick 1/8 inch gasket.

Spectre s 2 1/2 inch-2 1/4 inch Reducers include an extra thick 1/8 inch gasket.

Spectre Header Reducer Kit - 2-1/2in.

Exhaust Header Reducer

Header Reducer Kit

Collector Reducer - 2.5 in Inlet to 2.25 in OD Outlet - 3-Bolt Flange - Gaskets / Hardware - Steel - Nickel Plated - Pair

Vehicle Fitment

Universal or product-specific fitment. Please review the product details and contact us if you need help confirming fitment before ordering.

Product Specs

Brand
Spectre
Part Number
4642
Catalog Number
001316818
Product Line
Tubing - Reducers
Category
Fab, Tools & Shop Equipment
Type
Aluminum Tubing
UPC / Barcode
089601464206
Vendor Product Category
Fabrication
Vendor Product Subcategory
Aluminum Tubing
Length
10.00 in
Width
5.50 in
Height
3.50 in
Weight
1.82 lb
Units Per SKU
1
Freight / LTL
No
Ship Alone
No
Air Restricted
No
Prop 65
Y
CARB Approved
Yes
Clearance Item
No

Shipping & Availability

Current status 55 Available - Ready to ship
Estimated timing Usually ships within 24hrs

This item is showing available inventory. Most in-stock performance parts ship quickly, but timing can vary by warehouse, vendor cut-off time, holidays, and carrier pickup.

PROP 65 WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Inventory shown: 55 available as of 6/4/2026.

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