exhaust

We laid out the Kooks Cat Back Exhaust next to the OEM one. We cover the details of the Kooks system and show all the factory hanger points on both. We also cover how to cut the stock exhaust and how to install the new Kooks system (back to front). If you have any questions please call me at...

Check out the 5 star reviews from customers on the Kooks built Grenadier exhaust. Second run in production but extending our intro offer of free shipping in the continental US and no tax...

Guys, trying out a couple piggyback tuners in various modes they offer. I just tested this at wide open throttle to see the effect. I am going to be doing more tuner testing in various conditions and then compare price points and performance. The first one I have run is impressive with...

DBG Exclusive: The Kooks built Catalytic Converter back exhaust is in production. and shipping next week. Head to our website to reserve yours: https://www.design-build-go.com/product-page/kooks-exhaust The initial order will get free shipping in the Continental US. We can look international...

I’m experiencing a very odd sounding exhaust resonance/rattling in the morning before the vehicle is fully warmed up. It’s coming from near the right rear of the vehicle and manifests itself only when driving slowly about 5 mph and you can hear it in the exhaust. I’ve checked all underside...

Just announcing our Design-Build-Go exclusive Kooks Built Cat Back Exhaust for the Grenadier. Take a look at the video. We are making the production tooling and should be availible mid to late September. View: https://youtu.be/DyX3CQN9X4M?si=wjPWltnbUc4VuImE

I’ve ordered the Milltek non-resonated exhaust kit but having a tough time lining up someone to install it. Has anyone DIY’d it?

So I purchased I used Grenadier and the prior own had the non-resonating Miltek exhaust installed. It is subjectively too loud for my taste. Any ideas on how I can revert it back to the factory sound (or close to)? The closest dealer is 3 hours away... Any help is greatly appreciated.

Have any of you installed a Milltek exhaust system on your Grenadier? There is one on BaT now with the modified exhaust (non resonated) and sounds very cool. Anyone know what the resonated vs non resonated difference is on the sound? Milleksport.com

Group Buy ALERT !!! Miltek has 2 awesome exhaust systems for the Texas Grenadier Owners Page!!! They have a non resonated and a resonated backed exhaust system. The discount code active through June INEOS15 and can be used on the website...

I plan on towing with my Quartermaster when it arrives. With Engine temp, gear box and diff temps, Is there an Exhaust Gas Temp (EGT) display anywhere? Surely there is a temp sensor in the exhaust with all the other sensors in this vehicle. EGT's are invaluable when towing, and want to know...

I've seen the one video from Miltek. Has anyone installed theirs yet? Wondering how the sound was. Any other companies offering exhaust yet?

Hello Everyone, Wondering if fitting the Milltek exhaust (Particulate filter back) system will Void the manufacturer warranty? Anybody has first hand knowledge or experience of this?