Heat Barrier and Sound Deadening Mats

Don’t overlook the importance of insulation! From preventing engine heat from melting down electronics (and drivers!), to preserving the sound of your tunes, Summit...

Don’t overlook the importance of insulation! From preventing engine heat from melting down electronics (and drivers!), to preserving the sound of your tunes, Summit Racing Equipment has the heat barrier and sound deadening mats your project needs.

Everywhere and Anywhere

Our tremendous inventory includes custom heat shield solutions for fluid lines, batteries, starters, floor pans, headliners, firewalls, and more. For custom applications, many insulating materials are available in rolls, mats, and sheets that you can trim out and attach wherever they’re needed. If you need additional protection for wires and...

Everywhere and Anywhere

Defeat Distortion

Get maximum enjoyment out of your mobile audio and entertainment system. Sound deadening material can keep out excess road, engine, and exhaust noise, while preventing resonance from rattling your body panels.

Top Brands

Summit Racing Equipment carries insulating materials for cars and trucks from Thermo-Tec, Design Engineering, Dynamat, Heatshield Products, HushMat, and many more.

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Results 1 - 25 of 97

Dynamat Xtreme Sound Deadening Liners 10455

Dynamat Xtreme Sound Deadening Liners 10455

Sound Deadener, Dynamat Xtreme, 18 in. Length, 32 in. Width, .067 in. Thick, Set Of Nine

Part Number: DYC-10455

4.79 out of 5 stars ( 154 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Summit Racing™ Sound-Deadening Speaker Liners SUM-879029

Sound Deadener, Speakers, Sheet Type, Self-Adhesive, 0.059 in. Thick, 12.00 in. Width, 12.00 in. Length, Each

Part Number: SUM-879029

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Dynamat Xtreme Sound Deadening Liners 10465

Sound Deadener, Dynamat Xtreme, Self Adhesive, 24 in. Length, 48 in. Width, .067 in. Thick, Set Of Nine

Part Number: DYC-10465

4.7 out of 5 stars ( 30 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Dynamat Xtreme Sound Deadening Liners 10428

Sound Deadener, Dynamat Xtreme, Sheet, Self Adhesive, .067 in. Thick, L 18 in. x W 32 in. Sheet, Set of 7

Part Number: DYC-10428

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Dynamat Xtreme Sound Deadening Liners 10435

Sound Deadener, Sheets, 0.067 in. Thick, 12 in. x 36 in. Self-Adhesive, Kit

Part Number: DYC-10435

4.83 out of 5 stars ( 46 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Dynamat Xtreme Sound Deadening Liners 10425

Sound Deadener, Dynamat Xtreme, Sheet, Self Adhesive, .067 in. Thick, L 18 in. x W 32 in. Sheet, Each

Part Number: DYC-10425

4.86 out of 5 stars ( 21 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Dynamat Xtreme Sound Deadening Liners 10420

Sound Deadener, Dynamat Xtreme, 18 in. Length, 18 in. Width, .067 in. Thick, Set Of Eight

Part Number: DYC-10420

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Dynamat The Hoodliner Thermo Acoustic Hood Liners 11905

Sound Deadener, Hood, Sheets, 0.750 in. Thick, Self-Adhesive, Each

Part Number: DYC-11905

4.41 out of 5 stars ( 27 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Dynamat Xtreme Sound Deadening Liners 50455

Sound Deadener, Dynamat Xtreme, 32 in. Length, 18 in. Width, Self Adhesive, Set of 9

Part Number: DYC-50455

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Dynamat Xtreme Sound Deadening Liners 10415

Sound Deadener, Sheets, 0.067 in. Thick, Self-Adhesive, Pair

Part Number: DYC-10415

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Dynamat Xtreme Sound Deadening Liners 50400

Sound Deadener, Dynamat Xtreme, 10 in. Length, 4 in. Width, Self Adhesive, Set of 24

Part Number: DYC-50400

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Dynamat Dynaplate Liners 13105

Sound Deadening Mats, Dynaplate, Self-adhesive, Set of 3

Part Number: DYC-13105

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Summit Racing™ Sound Absorbing Thermal Insulating Foam SUM-879025

Sound Absorber, Foam Liners, Sheet, Self-Adhesive, 0.500 in. Thick, 23.00 in. Width, 36.00 in. Length, Pair

Part Number: SUM-879025

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Summit Racing™ Sound Absorbing Thermal Insulating Foam SUM-879026

Sound Absorber, Foam Liners, Sheet, Self-Adhesive, 0.250 in. Thick, 23.00 in. Width, 36.00 in. Length, Pair

Part Number: SUM-879026

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Summit Racing™ Sound Absorbing Thermal Insulating Foam SUM-879027

Sound Absorber, Foam Liners, Sheet, Self-Adhesive, 0.125 in. Thick, 23.00 in. Width, 36.00 in. Length, Pair

Part Number: SUM-879027

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Summit Racing™ Hood Heat and Sound Barrier Kits SUM-879010

Sound Deadener, Hood Liner, Self-Adhesive, 23.0 in. x 12.0 in. x 0.079 in., Set of 6

Part Number: SUM-879010

4.79 out of 5 stars ( 14 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Dynamat Sound Dampening Materials 10612

Sound Deadener Liners, SuperLite, Sheet Type, 18 in. Length, 32 in. Width, 0.047 in. Thick, Set of 3

Part Number: DYC-10612

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Design Engineering DEI Heat Barrier and Sound Deadening Mats 901077

Heat Shield Liner - '22-'23 HD Nightster Stock Pipes

Part Number: DEI-901077

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Design Engineering DEI Heat Barrier and Sound Deadening Mats 901079

Heat Shield Liner - '18-'22 HD Fat Bob FXFB

Part Number: DEI-901079

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

DEI Ultra Block Reflective Shields 50511

Heat Barrier, Sound Deadener, Square, 48 in. X 48 in., 0.500 in. Thick, Self Adhesive Tape, 428 Degree Ambient Temperature, Silver, Each

Part Number: DEI-50511

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Dynamat Xtreme Custom Cut Kits for 1967-1969 CAMARO, FIREBIRD - XGM F1 F

Sound Deadener Dynamat, Chevy, Pontiac, Kit

Part Number: DYC-XGMF1F

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Dynamat Xtreme Custom Cut Kits XGM A2 F

Sound Deadener Dynamat, Floor, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: DYC-XGMA2F

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Dynamat Xtreme Custom Cut Kits XFO M1 F

Custom Cut Floor Kit, Ford, Kit

Part Number: DYC-XFOM1F

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Dynamat Xtreme Custom Cut Kits for 1970-1981 CAMARO, FIREBIRD - XGM F2 F

Sound Deadener, Dynamat Xtreme, for the Toe Board Area To the Front of the Rear Riser, Chevy, Pontiac, Kit

Part Number: DYC-XGMF2F

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Dynamat Xtreme Custom Cut Kits for 1955-1957 BEL AIR, ONE-FIFTY SERIES, TWO-TEN SERIES - XGM T5 F

Sound Deadener, Dynamat Xtreme, Sheet Type, for the Toe Board Area to the Front of the Rear Riser, Chevy, Kit

Part Number: DYC-XGMT5F

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

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