2004 CADILLAC CTS Exhaust

Summit Racing™ Spark Plug Boot Heat Shields SUM-889511

Heat Protection, Spark Plug Boot Heat Shields, Straight, Aluminum, Natural, 2 3/8 in. Long, LS, Set of 8

Part Number: SUM-889511

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Summit Racing™ Spark Plug Boot Heat Shields SUM-889505BK

Heat Protection, Spark Plug Boot Heat Shields, Heat Resistant Polyimide Film Insert, Straight, Aluminum, Black, 2 3/8 in. Long, LS/LT, Set of 8

Part Number: SUM-889505BK

5.0 out of 5 stars ( 1 )

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ACDelco Spark Plug Heat Shields 19329681

Spark Plug Boot Protector, Heat Shield, 500 degrees F, Snap-on, Buick, Cadillac, Chevy, GMC, Pontiac, Each

Part Number: ADO-8006

5.0 out of 5 stars ( 6 )

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MagnaFlow Street Series Performance Exhaust Systems for 2004-2005 CTS - 16636

Exhaust System, Cat-Back, 409 Stainless Steel, Tru-X, Polished Tips, Cadillac, CTS, 5.7L, Kit

Part Number: MPE-16636

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Summit Racing™ Spark Plug Boot Heat Shields SUM-889505

Heat Protection, Spark Plug Boot Heat Shields, Heat Resistant Polyimide Film Insert, Straight, Aluminum, Silver, 2 3/8 in. Long, LS/LT, Set of 8

Part Number: SUM-889505

Not Yet Reviewed

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Cometic Header Bolt Kits CF1013

Header Bolt, Hex Head, M8 x 1.25 Thread, Steel, Black, 1.00 in. Overall Length, Buick, Cadillac, Chevrolet, Pontiac, Set of 12

Part Number: CGT-CF1013

Not Yet Reviewed

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MagnaFlow Universal Catalytic Converters 51204

Catalytic Converter, Universal, 3-Way Style, Stainless Steel, Each

Part Number: MPE-51204

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Summit Racing™ Spark Plug Boot Heat Shields SUM-889505R

Heat Protection, Spark Plug Boot Heat Shields, Heat Resistant Polyimide Film Insert, Straight, Aluminum, Red, 2 3/8 in. Long, LS/LT, Set of 8

Part Number: SUM-889505R

Not Yet Reviewed

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AP Exhaust Replacement Exhaust Insulators 8180

Exhaust Hangers, Insulator Style, Rubber, Black, for use on Acura®, for Hyundai, for Nissan, Chevy, Chrysler, Ford, Suzuki, Toyota, Each

Part Number: APH-8180

4.5 out of 5 stars ( 2 )

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Dorman Exhaust Manifold Mounting Hardware 675-226

Exhaust Hardware Kit, Exhaust Manifold Hardware Kit

Part Number: RNB-675-226

Not Yet Reviewed

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Walker Quiet-Flow SS 409 Stainless Steel 2 Inch Muffler 21532

Mufflers, Quiet-Flow SS, Stainless Steel, Aluminized, 22.000 in. Overall Length, Cadillac, 3.6L, Each

Part Number: WLK-21532

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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AP Exhaust Replacement Exhaust Insulators 8196

AP Exhaust Replacement Exhaust Insulators 8196

Exhaust Hangers, Insulator Style, Rubber, Black, for Hyundai, Buick, Cadillac, Chevy, Ford, Lincoln, Mazda, Mercury, Olds, Toyota, Each

Part Number: APH-8196

5.0 out of 5 stars ( 1 )

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AP Exhaust U-Clamps M214

Exhaust Clamp, U-Clamp, 2.250 in. Pipe, 0.50 in. Width, Steel, Natural, Each

Part Number: APH-M214

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Stainless Works CNC Mandrel-Bent Exhaust Systems for 2004-2007 CTS - CTSVEX

Exhaust System, CNC Mandrel-Bent, Manifold-Back, Stainless Steel, Turbo Muffler, Split Rear, Cadillac, 5.7L, 6.0L, Kit

Part Number: STW-CTSVEX

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Stainless Works Performance Headers CTSVH

2004-07 Cadillac CTSV headers. 1 3/4" primary tubes with 3" OD collectors-headers only

Part Number: STW-CTSVH

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Kooks Headers Race Long Tube Headers 23102400

Headers, Long Tube, Stainless Steel, Natural, 1.875 in. Tube, 3.00 in. Collector, Cadillac, LS, Pair

Part Number: KOK-23102400

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Summit Racing™ Spark Plug Boot Heat Shields SUM-889505BL

Heat Protection, Spark Plug Boot Heat Shields, Heat Resistant Polyimide Film Insert, Straight, Aluminum, Blue, 2 3/8 in. Long, LS/LT, Set of 8

Part Number: SUM-889505BL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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MagnaFlow Universal Catalytic Converters 99204HM

Catalytic Converters, Universal, 3-way, Stainless Steel Case, 2.000 in. Slip Fit Inlet/Outlet, 13.000 in. Overall Length, Each

Part Number: MPE-99204HM

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

AP Exhaust Universal Catalytic Converters 608265

Catalytic Converters, Universal, 2.25 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 14.00 in. Overall Length, Each

Part Number: APH-608265

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

AP Exhaust Universal Catalytic Converters 608285

Catalytic Converters, Universal, Single 2.25 in. Slip-fit Inlet/Outlet, AIR Tube, Stainless Steel Case, 13.750 in. Overall Length, Each

Part Number: APH-608285

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

AP Exhaust Intermediate Pipes for 2004-2007 CTS - 38957

Intermediate Pipes, Exhaust, Steel, Aluminized, Left, Cadillac, 3.6L, Each

Part Number: APH-38957

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today

AP Exhaust OE Replacement Steel 2 Inch Muffler 2573

Muffler, OE Replacement, Steel, Aluminized, Cadillac, 3.6L, Each

Part Number: APH-2573

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

BRExhaust 2.25 Inch Exhaust Clamp 250-058

Exhaust Clamps, U-bolt Style, Steel, Zinc Plated, 2.250 in. Pipe Diameter, for use on Honda®, for Nissan, Chevy, Chrysler, Ford, GMC, Toyota, Each

Part Number: BRE-250-058

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

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Estimated Ship Date: Jan 29, 2026 if ordered today

AP Exhaust OE Replacement Steel 2 Inch Muffler 2542

Muffler, OE Replacement, Steel, Aluminized, Cadillac, 3.6L, Each

Part Number: APH-2542

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Walker Quiet-Flow SS 409 Stainless Steel 2 Inch Muffler 21532

3 out of 5 stars ( 1 )

Estimated Ship Date: Today

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MagnaFlow Direct-Fit Catalytic Converters for 2003-2004 CTS - 51137

Catalytic Converter, Stainless Steel, Cadillac, 3.2L, Passenger Side, Each

Part Number: MPE-51137

Not Yet Reviewed

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