2000-2005 Chevrolet Impala Subwoofer Box Fitment

2000-2005 Chevrolet Impala W-body (8th Gen) — subwoofer box fitment

What we researched for this specific generation: where an enclosure actually fits, what the factory speakers are, how the factory audio is wired, and which real builds and commercial products exist for it. Confidence badges say how well each figure is sourced — this is research, not manufacturer spec.

Body styles covered: 4-Door Sedan

Where a box actually fits

These are researched envelopes, not a guarantee. Measure your own vehicle — the numbers here tell you what to expect, not what you have.

Trunk Unconfirmed

Location	trunk
Outer bounding box	No measured trunk dimensions found. Published box footprint is a lower bound on the cavity, not the cavity: NET Audio '2000-2005 Chevy Impala Sub Box' sealed and ported: 35.5 x 12 x 16 in (as printed under 'Dimensions'; axes not labelled; inside or outside not stated), 2.38 cu ft, mounting depth 8.25 in, Fit Location Trunk.

Door speaker fitment

Sizes and depths below are what research turned up for this generation. Confirm against your own vehicle before cutting or ordering — trim levels vary.

Front doors Unconfirmed

Factory speaker size	no GM or Metra source gives the door speaker size for these years
Adapter bracket needed	unconfirmed

Rear doors Unconfirmed

Adapter bracket needed	unconfirmed

Factory audio integration

Factory amp / premium audio	no GM audio source reachable for 2000-2005

Mounting locations

Trunk Unconfirmed

trunk

EPA luggage volume 18 cu ft (fueleconomy.gov sedan field, 2000, 2003 and 2005 agree). A luggage rating, not a box volume. NET Audio's box page says 'The Chevy Impala is not short on trunk space by any means'. No GM figure and no measured dimensions found. NET Audio is the only box maker found with a 2000-2005 Impala box: one footprint, sold sealed or ported (both listed below).

Builds and products found for this vehicle

Outside links. Some are commercial products, some are owner builds posted on forums — the label says which. We do not endorse any of them.

NET Audio (sealed) off-the-shelf
NET Audio '2000-2005 Chevy Impala Sub Box Sealed' (SKU GMIMP-05D). Maker years 2000-2005 (the whole 2000-2005 range). Published dimensions 35.5 x 12 x 16 in (as printed; axes not labelled; inside or outside not stated). Total volume 2.38 cu ft. Mounting depth 8.25". Sub sizes 8", 10", 12"; 1 to 4 speakers; 'can be either sealed for up to 8" subs, three 10" subs or two 12" subs' (maker's wording). Fit location trunk. 43 lb, 3/4" MDF, carpet. One footprint sold two ways: NET Audio's ported version (SKU GMIMP-05D-P), also listed here, prints the same 35.5 x 12 x 16 in, 2.38 cu ft and 8.25" mounting depth.
NET Audio (ported) off-the-shelf
NET Audio '2000-2005 Chevy Impala Sub Box Ported' (SKU GMIMP-05D-P). Maker years 2000-2005. Same 35.5 x 12 x 16 in (axes not labelled) and 2.38 cu ft as the sealed listing; mounting depth 8.25". Sub sizes 8", 10", 12"; 1 or 2 speakers. Maker says 'We tend to tune our boxes deep, around 34-37hz'; no port dimensions printed. Fit location trunk. 48 lb, 3/4" MDF, carpet. One footprint sold two ways: NET Audio's sealed version (SKU GMIMP-05D), also listed here, prints the same 35.5 x 12 x 16 in, 2.38 cu ft and 8.25" mounting depth.

Build it for this vehicle

Design a box for this vehicle — Enclosure volume, port tuning, and a see-through render.
Door speaker fitment — No measured door depth on file for this vehicle yet, so there is no fit check to run. The page says how to request one.
See the factory speaker locations — Factory speaker sizes, depths and locations we have researched for this vehicle.

Each link opens the tool with this vehicle already selected.

Before you cut anything

Measure your own vehicle. Trim levels, factory subwoofer options, and mid-generation changes all move these numbers, and a box cut to a researched figure that does not match your truck is wasted wood. Where a badge reads Unconfirmed, treat the value as a starting point for your own measurement, not as an answer.