Manifold Downpipe Kit 409S 2.00 In. Inlet 2.50 In. Outlet
4.8 · 6 reviews
SKU: 81072

Manifold Downpipe Kit 409S 2.00 In. Inlet 2.50 In. Outlet

$249.99
FREE delivery
Description

ABOUT THIS PRODUCT

Flowmaster introduces their manifold downpipes for 1967-1972 GM C10/C15 1/2 ton 2WD pickups with small block V8 engines. These 2.50-inch mandrel bent 409S stainless steel downpipes fit only the factory Angled GM Ram Horn style manifolds and include 3 bolt flanges, donut gaskets and donut sleeves. These downpipes are covered by Flowmaster's Lifetime Limited Warranty and can be used with systems part number 17654 or part number 817654 for a complete engine back exhaust installation.

Product Features:
  • To Adapt Exhaust to Factory Rams Horns Manifolds
  • Mandrel-bent 16 Gauge Stainless Steel Tubing
  • Includes all Necessary Hardware
  • For SBC Engine Applications
  • Lifetime Limited Warranty
  • Flowmaster Quality
Specifications
Brand
Flowmaster Inc. (626)
SKU
81072
Product type
Automotive
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Returns Policy
Shipping Information

Free shipping on all orders. Most items ship next business day after your order is placed.

Returns Policy

Returns are accepted when the product is in its original, unopened container. Contact us if you have questions about your order.

View full returns policy

Customer Reviews

4.8

Based on 6 reviews

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T
Ted R. Verified Buyer
02/03/2025

Works perfectly

Setup was simple and it has worked reliably since day one.

P
Pat M. Verified Buyer
11/28/2025

Better than expected

Reliable product and smooth buying experience on this site.

C
Chris W. Verified Buyer
07/05/2025

Highly recommend

Good experience overall from checkout to delivery.

J
Jordan L. Verified Buyer
04/15/2025

Very happy with this

Packaging was secure and the item was in perfect condition.

E
Emma S. Verified Buyer
12/14/2025

Exactly what I needed

Easy to order and arrived quickly. Product matched the listing and works great.

D
Dana H. Verified Buyer
10/02/2025

Solid purchase

Quality feels premium and it fits my needs well.

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