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Engine/Transmission (1998.5 - 2002) Air guide pipe with stacks?

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Engine/Transmission (1998.5 - 2002) Heater Core Restrictor?

2nd Gen Non-Engine/Transmission Removing Lens Cover?

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Grand Rock has stack mufflers and they cost less than this set up. And will not block exhaust flow if your looking to make any power the exhaust guide would hurt you.
 
do they make them in a smaller length? Mine are 36" and I cut them down so they're about 2 inches above the cab. I also didn't realize the E. G. would drop performance. . that's not something I want to do. Thanks for the tip:)
 
I used a straight thru Dynomax muffler on a customer truck that we put stacks on. Muffler is 10" or so and has 4" in and out. . It took the drone right out of it.

here is one for ya... This muffler is big and is not straight thru but it has been dyno tested and produced 15hp and 35lbs of torque over a straight thru system. I know both shops... the muffler shop that designed it and also the local dyno shop. . The truck owner said that the truck spooled quicker with this muffler. Check out the video! I know its a ford... so if it works on a ford it has to work great on our truck



coffinmufflers.com/products



Rick
 
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I used a straight thru Dynomax muffler on a customer truck that we put stacks on. Muffler is 10" or so and has 4" in and out. . It took the drone right out of it.

here is one for ya... This muffler is big and is not straight thru but it has been dyno tested and produced 15hp and 35lbs of torque over a straight thru system. I know both shops... the muffler shop that designed it and also the local dyno shop. . The truck owner said that the truck spooled quicker with this muffler. Check out the video! I know its a ford... so if it works on a ford it has to work great on our truck



coffinmufflers.com/products



Rick



sorry, but I'm not buying power claims from the person that designed/sells it... show me independant dyno testing that shows 15hp over straight pipe
 
yeah it seems that there are a few out there that claim to reduce or eliminate drone such as the the hushpower and silent might ect. The problem is that most tests are done on fords and chevys and the drone is more of a problem with our bad *** dodges. I've tried lots of combinations and seem to like my current setup the best. It has an MBRP and internals in the stacks. Sounds great, but just a hair loud when towing or moving in the 60-68 mph range. Hey forrest, what is the item you listed?? thanks!
 
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