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Car Chemistry Exhaust Inserts

4.43 out of 5 stars 115 Customer Reviews

Now you can have the over-the-top power and torque of open headers and still meet all of your sound requirements. These 18-gauge steel exhaust inserts from Car Chemistry fit directly into your header collectors and reduce sound output without restricting power. The 2-disc inserts are for racing applications and meet NHRA noise requirements, while the 3-disc inserts are for use on street/strip vehicles.

Results 1 - 23 of 23

Exhaust Insert, 3-Disc Inserts, 7 in. Long, 2.50 in. Diameter, Steel, Each

Part Number: CCI-3DI25R

4.64 out of 5 stars ( 28 )

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Exhaust Insert, 3-Disc Inserts, 7 in. Long, 3 in. Diameter, Steel, Each

Part Number: CCI-3DI03R

4.45 out of 5 stars ( 31 )

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Exhaust Insert, 3-Disc Inserts, 7 in. Long, 2.25 in. Diameter, Steel, Each

Part Number: CCI-3DI22R

4.45 out of 5 stars ( 11 )

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Exhaust Insert, 3-Disc Inserts, 7 in. Long, 3.50 in. Diameter, Steel, Each

Part Number: CCI-3DI35L

4.44 out of 5 stars ( 9 )

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Exhaust Insert, 3-Disc Inserts, 7 in. Long, 4 in. Diameter, Steel, Each

Part Number: CCI-3DI04L

4.0 out of 5 stars ( 5 )

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Exhaust Insert, 3-Disc Inserts, 7 in. Long, 2 in. Diameter, Steel, Each

Part Number: CCI-3DI02R

4.6 out of 5 stars ( 10 )

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Exhaust Insert, 2-Disc Inserts, 7 in. Long, 3 in. Diameter, Steel, Each

Part Number: CCI-2DI03L

5.0 out of 5 stars ( 2 )

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Exhaust Insert, 2-Disc Inserts, 7 in. Long, 2.50 in. Diameter, Steel, Each

Part Number: CCI-2DI25R

4.83 out of 5 stars ( 6 )

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Exhaust Insert, 3-Disk Inserts, 7 in. Long, 3 in. Diameter, Steel, Each

Part Number: CCI-3FI03L

4.0 out of 5 stars ( 4 )

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Exhaust Insert, 4-Disc Inserts, 2.50 in. Diameter, Steel, Each

Part Number: CCI-SP4DI25R

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Estimated Ship Date: Tomorrow if ordered today

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Exhaust Insert, Flanged, 3-Disk Inserts, 7 in. Long, 2.5 in. Diameter, Steel, Each

Part Number: CCI-3FI25R

4.0 out of 5 stars ( 1 )

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Exhaust Insert, 2-Disc Inserts, 7 in. Long, 4.5 in. Diameter, Steel, Each

Part Number: CCI-2DI45L

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Exhaust Insert, 2-Disc Inserts, 7 in. Long, 4 in. Diameter, Steel, Each

Part Number: CCI-2DI04L

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 23, 2025 if ordered today

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Estimated Ship Date: Jun 23, 2025 if ordered today

Exhaust Insert, 2-Disc Inserts, 7 in. Long, 2.25 in. Diameter, Steel, Each

Part Number: CCI-2DI22R

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 19, 2025 if ordered today

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Estimated Ship Date: Jun 19, 2025 if ordered today

Exhaust Insert, 2-Disc Inserts, 7 in. Long, 2 in. Diameter, Steel, Each

Part Number: CCI-2DI02R

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 23, 2025 if ordered today

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Estimated Ship Date: Jun 23, 2025 if ordered today

Exhaust Insert, 2-Disc Inserts, 7 in. Long, 3.50 in. Diameter, Steel, Each

Part Number: CCI-2DI35L

Not Yet Reviewed

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Exhaust Insert, Flanged, 2-Disc Inserts, 7 in. Long, 2.50 in. Diameter, Steel, Each

Part Number: CCI-2FI25R

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2025 if ordered today

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Estimated Ship Date: Jun 5, 2025 if ordered today

Exhaust Insert, 3-Disk Inserts, 7 in. Long, 4.5 in. Diameter, Steel, Each

Part Number: CCI-3DI45L

Not Yet Reviewed

Estimated Ship Date: Jun 6, 2025 if ordered today

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Estimated Ship Date: Jun 6, 2025 if ordered today

Exhaust Insert, Flanged, 2-Disc Inserts, 7 in. Long, 3 in. Diameter, Steel, Each

Part Number: CCI-2FI03L

Not Yet Reviewed

Estimated Ship Date: Jun 19, 2025 if ordered today

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Estimated Ship Date: Jun 19, 2025 if ordered today

Exhaust Insert, 4-Disc Inserts, 3 in. Diameter, Steel, Each

Part Number: CCI-SP4DI03L

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 19, 2025 if ordered today

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Estimated Ship Date: Jun 19, 2025 if ordered today

Exhaust Inserts, Three Discs, Steel, Painted, 3.50 in. Diameter, Each

Part Number: CCI-SP4DI35L

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Jun 19, 2025 if ordered today

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Estimated Ship Date: Jun 19, 2025 if ordered today

Exhaust Insert, Flanged, 2-Disk Inserts, 7 in. Long, 3.50 in. Diameter, Steel, Each

Part Number: CCI-2FI35L

Not Yet Reviewed

Estimated Ship Date: Jun 20, 2025 if ordered today

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Estimated Ship Date: Jun 20, 2025 if ordered today

Exhaust Insert, 3-Disk Inserts, 7 in. Long, 3.50 in. Diameter, Steel, Each

Part Number: CCI-3FI35L

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Jun 30, 2025 if ordered today

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Estimated Ship Date: Jun 30, 2025 if ordered today

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