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Showing 1 - 24 of 807 products
Welcome to Flashark's Best Selling Performance Parts page! Here, you'll find a handpicked selection of top-rated products designed to unleash the full potential of your Dodge Ram Cummins, Ford Powerstroke, GMC Chevy Duramax, and other diesel powerhouses.
At Flashark, we take pride in our commitment to customer satisfaction. Our Best Selling page is a testament to the performance gains and positive experiences our customers have enjoyed. As you browse through our selection, feel confident that you're choosing from the best of the best.
Thank you for choosing Flashark for all your needs. Your journey to an extraordinary driving experience starts here. Happy shopping!
Showing 1 - 24 of 807 products
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Save $10.00


EGR Delete Kit For 2013-2018 Dodge Ram 2500/3500 6.7L Cummins Diesel Plate Cooler & Throttle Valve
Sale priceFrom $105.77
Regular price$115.77
Save $88.01


Long Tube Headers & Y-Pipe for 1999-2006 Chevy/GMC Silverado/Avalanche/Sierra 1500 4.8L/5.3L/6.0L Vortec with Optional Cold Air Intake
Sale priceFrom $266.99
Regular price$355.00


For 2004-2005 6.6L Chevy GMC Silverado LLY Duramax Diesel EGR Delete Kit (Upgraded)
Sale priceFrom $110.00
Save $34.00


6.0L Powerstroke EGR Delete Kit For 2003-2010 Ford F250/F350/F450 Diesel
Sale priceFrom $45.77
Regular price$79.77
Save $90.01


Short & Long Tube Headers for 2009-2018 Dodge RAM 1500 Hemi 5.7L V8
Sale priceFrom $198.99
Regular price$289.00
Save $77.78


For 2006-2007.4 6.6L Chevy Silverado Classic GMC Duramax LBZ Diesel EGR Delete Kit (Upgraded)
Sale priceFrom $69.99
Regular price$147.77
Save $48.00


Downpipe Exhaust/Test Pipes for 2003-2006 Nissan 350z Infiniti G35 With Gaskets And Bolts
Sale priceFrom $110.00
Regular price$158.00
Save $40.00


4.0/5.0 Inch 6.7 Powerstroke DPF Delete Race Pipe | Downpipe-Back Exhaust w/Muffler for 2011-2023 Ford F-250, F-350, F-450
Sale priceFrom $255.90
Regular price$295.90
Save $35.01


Downpipe Exhaust/Test Pipes for 2008-2018 Nissan 370z Infiniti G37 Z34
Sale priceFrom $139.99
Regular price$175.00
Save $160.00


Long Tube Headers For 1988-1997 Chevy/GMC 5.7L/5.0L 305/350 SBC (Vortec/TBI) - C/K 1500/2500, Tahoe/Blazer
Sale price$139.99
Regular price$299.99
Save $100.01


Long Tube Headers for 2007-2014 Chevy Silverado/Suburban/Tahoe GMC Sierra/Yukon Cadillac Escalade 4.8L/5.3L/6.0L/6.2L Vortec
Sale priceFrom $219.99
Regular price$320.00
Save $70.99


Long Tube Headers for 2006-2013 BMW N52 E90/E91/E92/E93/E82 128i/325i/328i/330i
Sale price$229.00
Regular price$299.99
Save $67.00


Short & Long Tube Headers For 1987-1995 Ford F150/F250/Bronco 5.8L V8 Truck
Sale priceFrom $152.00
Regular price$219.00
Save $14.00


Short/Long Tube Headers For 2001-2005 Honda Civic DX/LX/EX D17A1/D17A2 1.7L 4CYL
Sale priceFrom $89.00
Regular price$103.00
Save $30.01


Exhaust Up-Pipe for 2001-2016 6.6L Chevrolet Chevy GMC Duramax LB7 LLY LBZ LMM LML
Sale priceFrom $97.99
Regular price$128.00
Save $34.00


Catless Downpipe for 2006-2011 VW Golf/GTI MK5 & Jetta MK5 & Audi A3 2.0T 3-inch
Sale price$142.00
Regular price$176.00
Save $17.78


For 2006-2007.4 6.6L Chevrolet Silverado Classic GMC Duramax LBZ Diesel EGR Valve Cooler Delete Kit (Ordinary)
Sale price$69.99
Regular price$87.77
Save $179.01


Catback Exhaust System for 2015-2021 Subaru WRX / STI, 4-inch Quad Muffler Tips, N1 Style Burnt Tip
Sale priceFrom $219.99
Regular price$399.00
Save $70.01


Exhaust Headers for BMW 1998-2006 E46 323i 328i & 1997-2000 E39 5 Series – 2.5L/2.8L/3.0L
Sale price$169.99
Regular price$240.00
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