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DEI

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Floor and Tunnel Shield II - Heat and Sound Insulation - 21" X 24" (3.5 Sq. Ft.) by DEI - Modern Automotive Performance

$39.99 ~~$59.90~~

Floor and Tunnel Shield II - Heat and Sound Insulation - 21" X 24" (3.5 Sq. Ft.) by DEI

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Boom Mat Damping Material - 12" x 12-1/2" (4 pk - 4.2 sq.ft.) by DEI - Modern Automotive Performance

$26.99 ~~$40.14~~

Boom Mat Damping Material - 12" x 12-1/2" (4 pk - 4.2 sq.ft.) by DEI

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DEI 4" Diameter Speaker Baffles (050310)

Speaker Baffles - 4" Round by DEI - Modern Automotive Performance

$7.99 ~~$11.24~~

DEI 4" Diameter Speaker Baffles (050310)

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DEI Speaker Baffles - 6-1/2" Round Slim (050331)

Speaker Baffles - 6-1/2" Round Slim by DEI - Modern Automotive Performance

$8.99 ~~$12.24~~

DEI Speaker Baffles - 6-1/2" Round Slim (050331)

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Boom Mat Damping Material - 12" x 12-1/2" (2 pk - 2.1sq.ft.) by DEI - Modern Automotive Performance

$16.99 ~~$24.52~~

Boom Mat Damping Material - 12" x 12-1/2" (2 pk - 2.1sq.ft.) by DEI

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Floor and Tunnel Shield II - Heat and Sound Insulation - 21" X 48" (7 Sq. Ft.) by DEI - Modern Automotive Performance

$77.99 ~~$117.58~~

Floor and Tunnel Shield II - Heat and Sound Insulation - 21" X 48" (7 Sq. Ft.) by DEI

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Floor and Tunnel Shield II - Heat and Sound Insulation - 42" X 48" (14 Sq. Ft.) by DEI - Modern Automotive Performance

$154.99 ~~$234.85~~

Floor and Tunnel Shield II - Heat and Sound Insulation - 42" X 48" (14 Sq. Ft.) by DEI

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DEI Speaker Baffles - 5-1/4" Diameter (050320)

Speaker Baffles - 5-1/4" Round by DEI - Modern Automotive Performance

$7.99 ~~$11.83~~

DEI Speaker Baffles - 5-1/4" Diameter (050320)

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Under Carpet Lite - Sound Absorbion and Insulation - Bulk 1Ft. X 54" W by DEI - Modern Automotive Performance

$18.99 ~~$27.65~~

Under Carpet Lite - Sound Absorbion and Insulation - Bulk 1Ft. X 54" W by DEI

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Under Hood Thermal Acoustic Lining by DEI - Modern Automotive Performance

$68.99 ~~$104.48~~

Under Hood Thermal Acoustic Lining by DEI

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DEI Door Damping Kit | 1990-2005 Mazda Miata (50296)

$16.99 ~~$25.54~~

DEI Door Damping Kit | 1990-2005 Mazda Miata (50296)

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Boom Mat Moldable Noise Barrier - Bulk 1 Ft. X 54" W by DEI - Modern Automotive Performance

$22.99 ~~$34.06~~

Boom Mat Moldable Noise Barrier - Bulk 1 Ft. X 54" W by DEI

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Boom Mat Moldable Noise Barrier - 48ﾔ X 54ﾔ (18 sq. ft.) by DEI - Modern Automotive Performance

$115.99 ~~$157.98~~

Boom Mat Moldable Noise Barrier - 48ﾔ X 54ﾔ (18 sq. ft.) by DEI

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Boom Mat Moldable Noise Barrier - 24ﾔ X 54ﾔ (9 sq. ft.) by DEI - Modern Automotive Performance

$58.99 ~~$79.35~~

Boom Mat Moldable Noise Barrier - 24ﾔ X 54ﾔ (9 sq. ft.) by DEI

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Boom Mat Heavy Duty Damping Material by DEI - Modern Automotive Performance

$91.99 ~~$139.96~~

Boom Mat Heavy Duty Damping Material by DEI

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Boom Mat Damping Material - 12-1/2" x 24" (6 pk - 12.5 sq.ft.) by DEI - Modern Automotive Performance

$68.99 ~~$104.81~~

Boom Mat Damping Material - 12-1/2" x 24" (6 pk - 12.5 sq.ft.) by DEI

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Boom Mat Damping Material - 12-1/2" x 24" (20 pk - 41.7 sq.ft.) by DEI - Modern Automotive Performance

$208.99 ~~$317.50~~

Boom Mat Damping Material - 12-1/2" x 24" (20 pk - 41.7 sq.ft.) by DEI

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Boom Mat Damping Material - 12-1/2" x 24" (10 pk - 20.8 sq.ft.) by DEI - Modern Automotive Performance

$108.99 ~~$165.58~~

Boom Mat Damping Material - 12-1/2" x 24" (10 pk - 20.8 sq.ft.) by DEI

Save 34% In Stock

Boom Mat Damping Material - 12" x 12-1/2" by DEI - Modern Automotive Performance

$46.99 ~~$70.51~~

Boom Mat Damping Material - 12" x 12-1/2" by DEI

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Jeep Wrangler Side Window Kit - '11-Up 4-Door, Gray by DEI - Modern Automotive Performance

$93.99 ~~$142.34~~

Jeep Wrangler Side Window Kit - '11-Up 4-Door, Gray by DEI

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Jeep Wrangler Side Window Kit - '11-Up 4-Door, White by DEI - Modern Automotive Performance

$95.99 ~~$145.69~~

Jeep Wrangler Side Window Kit - '11-Up 4-Door, White by DEI

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Jeep Wrangler Sound Deadening Headliner - 2-Door (2007-2010), Gray by DEI - Modern Automotive Performance

$217.99 ~~$331.14~~

DEI Sound Deadening Headliner - Gray | 2007-2010 Jeep Wrangler (050134)

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Jeep Wrangler Sound Deadening Headliner - 2-Piece, (1997-2006) TJ no Roll Bar Speakers & (1997-2002) w/Factory Sound bar, Black by DEI - Modern Automotive Performance

$222.99 ~~$338.95~~

Jeep Wrangler Sound Deadening Headliner - 2-Piece, (1997-2006) TJ no Roll Bar Speakers & (1997-2002) w/Factory Sound bar, Black by DEI

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Jeep Wrangler Sound Deadening Headliner - 2-Piece, (1997-2006) TJ no Roll Bar Speakers & (1997-2002) w/Factory Sound bar, Gray by DEI - Modern Automotive Performance

$222.99 ~~$338.95~~

Jeep Wrangler Sound Deadening Headliner - 2-Piece, (1997-2006) TJ no Roll Bar Speakers & (1997-2002) w/Factory Sound bar, Gray by DEI

Save 34% In Stock

DEI is one of the foremost suppliers of thermal tuning products featuring products for racers, street performance enthusiasts, and hobbyists alike.