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Exhaust System Upgrade Kits

38 products

Showing 1 - 24 of 38 products

Enhanced Engine Efficiency: Upgrading with an Exhaust Header improves exhaust gas flow, boosting engine efficiency.
Optimized Exhaust Dynamics: Catback Exhaust optimizes the exhaust system for enhanced performance.
Maximized Turbo Response: Downpipe Exhaust and Up-pipe Exhaust configurations contribute to maximizing turbocharger response. Up-pipe Exhaust aids in reducing exhaust temperatures, contributing to engine protection. Downpipe Exhaust improves the flow of exhaust gases, optimizing emission control
All-In-One Package: Offering these components as a bundle simplifies the shopping experience for customers.
Comprehensive Upgrade: Customers can achieve a comprehensive upgrade with a single purchase, ensuring compatibility and synergy between components.

Showing 1 - 24 of 38 products

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Let customers speak for us

from 1443 reviews

2017-2021 Honda Civic Type R Aluminum Coolant Reservoir (Degas)

Danny N.R.

Great replacement.

Replace my own coolant reservoir for this one since my own cracked at 50k miles. Appears sturdy.

2017-2021 Honda Civic Type R Aluminum Coolant Reservoir (Degas)

03/13/2025

Xavier M.

Expansion tank

Great product! Light weight, well designed and has a great and almost exact fit as OEM.

2017-2021 Honda Civic Type R Aluminum Coolant Reservoir (Degas)

03/12/2025

1.5 inch 2018-2022 Jeep Wrangler TJ YJ / 2011-2022 Dodge Durango 5x5" Wheel Spacers 4PCS

The_Mojave_Ghost

Great quality

These spacers are great quality without being overpriced like all the others.

1.5 inch 2018-2022 Jeep Wrangler TJ YJ / 2011-2022 Dodge Durango 5x5" Wheel Spacers 4PCS

03/08/2025

Downpipe Exhaust/Test Pipes for 2008-2018 Nissan 370z Infiniti G37 Z34

Mike R.

Amazing Results!

Installed these test pipes on my 2012 G37 over the weekend, and I’m blown away by the results. The car feels more alive, and the exhaust tone is deeper without being obnoxious. No fitment issues, and the quality is excellent. Highly recommend this upgrade!

Downpipe Exhaust/Test Pipes for 2008-2018 Nissan 370z Infiniti G37 Z34

03/05/2025

3 Inches Catback Exhaust 4.5 Inches Muffler Tip+Downpipe Exhaust Up-pipe for 2002-2007 Subaru Impreza WRX / STI GD EJ205

Lucas D.

Awesome for the price

It didn't fit perfectly and took some persuasion. However for the price it sounds great and fits great. Basically a straight pipe, also a deeper growl and for those wondering it does give little pops of fire.

3 Inches Catback Exhaust 4.5 Inches Muffler Tip+Downpipe Exhaust Up-pipe for 2002-2007 Subaru Impreza WRX / STI GD EJ205

03/04/2025

Exhaust Header for 1960-1988 Chevy GMC 2WD Trucks C10 C1500 w/ LS1 LS2 LS3 LS6 4.8L 5.3L 5.7L 6.0L 6.2L Engine

Trevor L.

Great Quality. Great Price.

The headers I ordered are look great and are better quality than some of the name big name brand headers I have had. I was skeptical at first because the price was much lower than very similar products with a lot more history in the header market but the quality of these is as good or better than most I have seen out there. Great product. I can’t comment on the fit because I put these on a different application and expected to do some modifications.

Exhaust Header for 1960-1988 Chevy GMC 2WD Trucks C10 C1500 w/ LS1 LS2 LS3 LS6 4.8L 5.3L 5.7L 6.0L 6.2L Engine

03/04/2025

Downpipe Exhaust Y Middle Pipe Exhaust for 2006-2019 Yamaha YZF-R6 R600

Zachary Y.

Good

It’s a great product and is a prices reasonably, my only gripe with it is that when you cut off right before the baffles u would expect it to fit almost perfectly. I had to bend the part on each side so it could fit ( I also grinded around the cut) and it was more of a snug fit I had to use a hammer just to get it on. Other than that it was incredibly made and amazing bike sounds great. Would purchase again

Downpipe Exhaust Y Middle Pipe Exhaust for 2006-2019 Yamaha YZF-R6 R600

03/01/2025

Julian R.

1991-2001 Nissan 200Sx / Sentra / NX Infiniti G20 2.0L Exhaust Header

02/25/2025

Erick F.

Best quality and price

Best out there for the price and well-made coolant reservoir right now.

Check out my install video for details on this.

2017-2021 Honda Civic Type R Aluminum Coolant Reservoir (Degas)

02/24/2025

2000-2006 Honda Civic VII Coilovers for EM2 ES ET Saloon – 4PCS

Emily L.

Exactly What I Needed!

Installed these on my 2003 Civic, and the improvement in handling is incredible. The car feels more planted, and the ride is still comfortable. Great product

2000-2006 Honda Civic VII Coilovers for EM2 ES ET Saloon – 4PCS

02/21/2025

Branam F.

Very satisfied this time

brightly colored, easy installation and nice ride, using for several months no complaints

2000-2006 Honda Civic VII Coilovers for EM2 ES ET Saloon – 4PCS

02/21/2025

Exhaust Header for 2005-2010 Toyota Scion TC Ant10 JDM 2.4L

Jonathan B.

Bang for buck

I’ve been using it for the past 2 weeks and it has definitely added some horsepower to my car. It also sounds good paired with my red exhaust 👍🏼

Exhaust Header for 2005-2010 Toyota Scion TC Ant10 JDM 2.4L

02/18/2025

2005-2010 BMW 5 Series E60 E61 523i/525i/530i Catback Exhaust System w/ M5 Style Dual Tip

Michael L.

Got it to work on my E60 535i!

Bought is not knowing if it was going to work on my 535i. It wasn’t a direct plug and play but nothing my fab guy couldn’t fix. Made a custom fitting to make it fit, adjusted the axle back on some places to fix some fitment issues but nothing major. Came out great, and sounds awesome.

2005-2010 BMW 5 Series E60 E61 523i/525i/530i Catback Exhaust System w/ M5 Style Dual Tip

02/18/2025

Air intake kit for 2004-2005 GMC Sierra / Chevy Silverado 2500HD/3500 V8 6.6L Duramax LLY

MaxHD

Never heard of flashark. I read about them and found the parts for my 2500HD duramax. Price was right and the parts fit. Thank you flashark!! I told some friends about you as well!

Air intake kit for 2004-2005 GMC Sierra / Chevy Silverado 2500HD/3500 V8 6.6L Duramax LLY

02/17/2025

Dino F.

Fk8 coolant reservoir

I really didn’t need it but at this price I couldn’t resist it and it’s very similar to the other brands.

2017-2021 Honda Civic Type R Aluminum Coolant Reservoir (Degas)

02/10/2025

go place to get parts

good place

they are fast on there shipping good part for the money i will buy more from them thank you

Great product and company

Company went above and beyond to make sure my exhaust fit the way it should. One of the best experiences I’ve had working with a company

Upper Control Arms

I received my upper control arms yesterday and couldn’t be more impressed with them. I only bought them because of the great price and wasn’t expecting much, but when I opened them up and saw the size, quality and construction of them it blew me away. Super high quality and strength. Amazing product and would highly recommend them to everyone looking to upgrade their upper control arms.

Hi, thanks for the review and pictures, looking forward to your next purchase!

Best car parts company to date…

I’d like to start off with how fast the shipping is, within a few days my new headers and down pipe arrived. After bolting everything down sadly I missed the nut that goes over an empty valve hole, and it fell off driving. I reached out to flashark and only asked for a replacement nut, not only did they respond within the hour I had sent the email, not only did they replace the nut, I got the whole new set of headers and downpipe. Amazing service, amazing products as well (I love the headers). Definitely buying again from here.

Hi, thanks for the review and pictures! This is what we should do. We apologize for the inconvenience. We'll continue to improve our service! Looking forward to your next purchase, we will give you a discount!

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