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| Air Filters by SLP Performance Parts for GTO 2004-2006 | Price |
 | SLP Air Filter 2004-05 GTO | $40.74 |
 | SLP Air Filter, 2004-06 GTO Blackwing High-Flow | $49.45 |
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| Exhaust Systems by SLP Performance Parts for GTO 2004-2006 | Price |
 | SLP Exhaust System, "Loud Mouth II" 2004 GTO | $670.48 |
 | SLP Exhaust System, "Loud Mouth II", 2005+ GTO w/PowerFlo-X Crossover Pipe | $790.45 |
 | SLP Exhaust System, Loudmouth, 2005+ GTO w/PowerFlo-X Crossover Pipe | $743.95 |
 | SLP Loudmouth Exhaust System, Loudmouth 2004 GTO | $622.59 |
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| Header Complete Kits by SLP Performance Parts for GTO 2004-2006 | Price |
 | SLP GTO Headers Coated 1-3/4" Long-Tube w/Cats /Downpipes, 2005-06
| $1,149.96 |
 | SLP Headers, Coated 1-3/4" Long-Tubes w/Cats /Down Pipes, 04 GTO | $1,169.96 |
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| Installation Kits by SLP Performance Parts for GTO 2004-2006 | Price |
 | SLP Installation Kit, 2004-06 Head-and-Camshaft, 2nd Design Late LS1/LS2 Block | $251.96 |
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| Mass Airflow Sensors by SLP Performance Parts for GTO 2004-2006 | Price |
 | SLP Mass-Air-Flow Sensor, 2004 GTO ONLY | $176.09 |
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| Miscellaneous by SLP Performance Parts for GTO 2004-2006 | Price |
 | SLP Installation Kit, Head and Camshaft Package, 1997-2004 (EARLY)LS1 | $269.96 |
 | SLP Skid Plate, 2004-05 GTO Front | $161.96 |
 | SLP TCS Logic Module, 1999-02 Camaro/Firebird | $64.85 |
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| Muffler by SLP Performance Parts for GTO 2004-2006 | Price |
 | SLP Mufflers, GTO, "Loud Mouth II™" Bullet-Type (pair) - NO RETURNS | $185.36 |
 | SLP Mufflers, Mustang GT/Cobra, GTO "Loud Mouth II" Bullet-Type (pair) - NO RETURNS | $185.36 |
 | SLP Resonators Mustang GT/Cobra/ GTO/C6 /Charger/ Magnum/ 300C/ Cobalt Loudmouth (pair) - NO RETURNS | $139.01 |
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| Oil Pump by SLP Performance Parts for GTO 2004-2006 | Price |
 | SLP Oil Pump, 1997-04 LS1/LS6/LS6 Heavy-Duty
| $166.82 |
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| Package Deals by SLP Performance Parts for GTO 2004-2006 | Price |
 | SLP PerformancePac, 2005-06 GTO "Loud Mouth II" Exhaust 421HP "Bobcat" | $1,295.85 |
 | SLP PerformancePac, 2005-06 GTO "Loud Mouth II" Exhaust 490HP | $4,782.54 |
 | SLP PerformancePac, 2005-06 GTO "Loud Mouth II" Exhaust w/LT Headers/ Cats 455HP | $3,722.81 |
 | SLP PerformancePac, 2005-06 GTO Loudmouth Exhaust 421HP | $1,248.35 |
 | SLP PerformancePac, 2005-06 GTO Loudmouth Exhaust 490HP | $4,735.04 |
 | SLP PerformancePac, 2005-06 GTO Loudmouth Exhaust w/LT Headers/ Cats 455HP | $3,675.31 |
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| Performance Packages by SLP Performance Parts for GTO 2004-2006 | Price |
 | SLP PerformancePac, 04 GTO Loudmouth Coated LTHeaders,Cats 421HP Bobcat | $3,186.44 |
 | SLP PerformancePac, 04 GTO Power-Flo Coated LTHeaders,Cats 421HP Bobcat | $3,235.37 |
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| Programmers by SLP Performance Parts for GTO 2004-2006 | Price |
 | SLP Custom Tuned Diablo Sport II 2004 GTO - NO RETURNS
| $440.28 |
 | SLP Custom Tuned Diablo Sport II 2005-06 GTO - NO RETURNS
| $440.28 |
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| Pulleys by SLP Performance Parts for GTO 2004-2006 | Price |
 | SLP Harmonic Balancer / Underdrive Pulley, 2004-06 GTO
| $179.96 |
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| Push Rods by SLP Performance Parts for GTO 2004-2006 | Price |
 | SLP Pushrods, LS1/LS2 Chrome Moly (set of 16) | $129.95 |
 | SLP Pushrods, LS1/LS2 Chrome Moly 7.400" (set of 16) | $129.95 |
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| Rocker Arms by SLP Performance Parts for GTO 2004-2006 | Price |

| SLP Rocker-Arm Package, LS1/LS6/LS2 w/Springs, Ti Retainers, Keepers (1.85)
| $989.96 |
 | SLP Rocker-Arms, LS1/LS6/LS2 (1.85 Ratio) | $539.96 |
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| Roll Control Kits by SLP Performance Parts for GTO 2004-2006 | Price |
 | SLP Brake-Control Package, 2004 GTO
| $143.96 |
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| Skip-Shift Eliminators by SLP Performance Parts for GTO 2004-2006 | Price |
 | SLP Skip-Shift Eliminator, Camaro/Firebird/Corvette/2004 GTO | $26.96 |
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| Sway Bars by SLP Performance Parts for GTO 2004-2006 | Price |
 | SLP Sway Bar, 2004-06 GTO Rear, Heavy-Duty | $148.28 |
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| Timing Chains by SLP Performance Parts for GTO 2004-2006 | Price |
 | SLP Timing Chain, Double Roller LS1/LS6
| $161.96 |
 | SLP Timing Chain, Double Roller LS2 | $125.96 |
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| Tools by SLP Performance Parts for GTO 2004-2006 | Price |
 | SLP Spark-Plug Socket, Modified to work with headers (1) | $29.95 |
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| Valve Spring Kits by SLP Performance Parts for GTO 2004-2006 | Price |
 | SLP Valve Springs, LS1/LS6/LS2 High-Performance .600 Lift (set of 16) | $224.96 |