MATCH UP W8BMW-S Ultra Flat Subwoofer Upgrade kit for BMW E91 3-Series Touring speaker and amplifier upgrades two high pass 6 dB/octave

two high pass 6 dB/octave crossovers with adjustable tweeter level : -3 dB

NEW PARTS BUT ARE IN OLDER CARDBOARD BOXES (Not the newer style plastic box as shown)

The adaptors include the two special steel inserts plus 6 allen key headed bolts to bolt the adaptors to the wheels

1m- Frequency Response - 40-20k Hz- Mounting Hole Diameter - 5 1/2" (140 mm)- Top Mount Depth - 3/16" (4 mm)- Bottom Mount Depth - 1 13/16" (47 mm)- Tweeter Protrusion - 0" (0 mm)- Grilles - Included- Tweeter Magnet Material - Neodymium- Tweeter Dome Material - PEI (Polyether Imide)- Tweeter Design - Balanced Dome- Woofer Cone Material - Polypropylene- Woofer Surround Material - Polyester Foam

AIRTEC Motorsport Enlarged Cast Alloy High Flow Throttle Body Elbow for Mk8 Fiesta ST (also fits Focus Mk4 1

MATCH UP W8BMW-S Ultra Flat Subwoofer Upgrade kit for BMW E91 3-Series Touring speaker and amplifier upgrades two high pass 6 dB/octaveMATCH UP W8BMW S Ultra Flat Subwoofer Upgrade kit for BMW's Maximum POWER for BMW sound concepts The ultra flat UP W8BMW S subwoofers are playing extremely dynamically and punchy. Especially the exceptionally rigid fiberglass cone generates maximum sound pressure without distortions. The BMW specific baskets and connectors allow fast and easy installation into the original mounting positions of all BMW model ranges with under seat subwoofers.