Exhaust Headers, Manifolds and Components

Chevrolet

2-Piece 6-2-1 Stainless Steel Exhaust Header and Downpipe Kit

$178.00

SKU: HDS-CH5-IMP04-LT-CH

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The AJP Distributors exhaust header is a 2-piece 6-2-1 stainless steel manifold kit with downpipes. It is manufactured with CNC machined T-304 stainless steel piping and computerized TIG welded flanges for strength and durability. The kit utilizes pre-welded hangers for a direct bolt-on fitment, requiring no modifications.

Specifications include an inlet size of 1.65 inches (41.91mm) and an outlet size of 3.0 inches (76.2mm).
Show original supplier description
The AJP Distributors 2-piece 6-2-1 stainless steel header manifold kit is designed to be a direct bolt-on replacement for your vehicle's exhaust system. Manufactured by OEM-approved partners, this kit uses CNC-machined T-304 stainless steel piping with computerized TIG-welded flanges to ensure strength and long-lasting durability. The inclusion of pre-welded hangers simplifies installation, eliminating the need for any vehicle modifications. This header kit features a 6-2-1 design, with an inlet diameter of 1.65 inches (41.91mm) and an outlet diameter of 3.0 inches (76.2mm). This header manifold kit is specifically compatible with 1997-2003 Pontiac Grand Prix, 1997-2004 Buick Regal, 2004-2005 Chevrolet Impala, and 2004-2005 Chevrolet Monte Carlo models, but only those equipped with the 3.8L (231 CID) L67 Supercharged V6 engine.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandChevrolet
Part NumberHDS-CH5-IMP04-LT-CH
CategoryExhaust

About MOTORMIA

5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy