1998 PONTIAC FIREBIRD Exhaust

Muffler, 80 Series, 2 1/2 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-42583

4.0 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Exhaust Manifold Hardware, Exhaust Manifold Mounting Hardware, Stud/Nut Type, Stainless Steel, Natural, Buick, Cadillac, Chevy, Ford, GMC, Set of 6

Part Number: RNB-03133HP

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Muffler, Pro, 2.500 in. Inlet/2.500 in. Outlet, Steel, Aluminized, Each

Part Number: IMM-7414CB

4.4 out of 5 stars ( 5 )

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Insulator, Tail Pipe Hanger, Rubber, for use on Acura®/Honda®, Each

Part Number: WLK-35119

4.88 out of 5 stars ( 8 )

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Catalytic Converter, Heavy Metal, Stainless Steel, 2.25 in. Inlet/Outlet, 13.0 in. Length, Each

Part Number: MPE-99205HM

5.0 out of 5 stars ( 1 )

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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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Exhaust Pipe, Steel, Aluminized, 3 in. Diameter, Each

Part Number: APH-X5500

3.92 out of 5 stars ( 13 )

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• Oversize $12.99

Muffler, Turbo, 2.50 in. Offset Inlet/2.50 in. Offset Outlet, 18 in. Length, Steel, Aluminized, Each

Part Number: IMM-16826CB

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Exhaust Manifold Studs, Nuts, Front Flange, Buick, Cadillac, Oldsmobile, Chevy, GMC, Set of 6

Part Number: RNB-03133

3.64 out of 5 stars ( 25 )

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Catalytic Converter, Universal, Stainless Steel, 2.5 in. Inlet/Outlet, 13.5 in. Length, Each

Part Number: WLK-93238

5.0 out of 5 stars ( 2 )

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Headers, Street, Long Tube Stepped, Steel, Silver Ceramic Coated, Chevy, Pontiac, 5.7L, Pair

Part Number: HED-66534

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Exhaust System, Blackheart, Cat-Back, 2.50 in. Dual, Split Rear, Stainless Steel, Natural, with Turbo Mufflers/Quad Tips, Chevy, Pontiac, 5.7L V8, Kit

Part Number: HOK-70501432RHKR

4.0 out of 5 stars ( 9 )

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Exhaust Clamp, U-Bolt, Steel, 2.750 in. Diameter, 3/8 in. Thread, Each

Part Number: WLK-35793

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

Catalytic Converter, Universal Catalytic Converter - 2.25in.

Part Number: MPE-448305

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Exhaust Insert, Block-Off Plate, Four Inserts, Stainless Steel, Natural, Chevy, Pontiac, Kit

Part Number: BOR-46176S

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Exhaust System, S-Type, Cat-Back, Single In/Dual Out, Stainless, Natural, Split Rear Exit, Chevy, Pontiac, Kit

Part Number: BOR-14780

4.86 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

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Exhaust Manifold Bolts, Steel, Zinc Plated, Cadillac, Chevy, GMC, Chrysler, Dodge, Isuzu, Jeep, Set of 12

Part Number: RNB-03413B

4.59 out of 5 stars ( 27 )

Estimated Ship Date: Tomorrow

Catalytic Converters, Direct-Fit, Stock Flange Inlet, 2.25 in. Slip Fit Outlet, 54.50 in. Overall Length, Chevrolet, Pontiac, Each

Part Number: APH-642933

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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

Part Number: MPE-51205

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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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

Estimated Ship Date: Tomorrow

Muffler, Super Turbo, 2 1/2 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Aluminized, Chevy, Pontiac, Each

Part Number: WLK-17739

3.71 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

• $10 Summit Bucks on $100 spent*

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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Check Valve, AMC, BMW, Buick, Cadillac, Chevy, Chrysler, Dodge, Ford, GMC, Jeep, Oldsmobile, Pontiac, Each

Part Number: SMP-AV7

Not Yet Reviewed

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Muffler, Aero Chamber, 3 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Aluminized, Chevy, Pontiac, Each

Part Number: HOK-21729HKR

4.47 out of 5 stars ( 17 )

Estimated Ship Date: Tomorrow

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Headers, Long Tube, Steel, Titanium Ceramic, Chevy, Pontiac, Chevy, Small Block, LS1, Pair

Part Number: BBK-1694

4.29 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

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