Design Input for aftermarket exhaust configuration? - JeepForum.com
 
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post #1 of 13 Old 11-30-2005, 11:49 PM Thread Starter
SYCOHEMI
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Design Input for aftermarket exhaust configuration?

I'm working next week with a major exhaust manufacturer to develop a prototype exhaust for the Jeep Commander.

I am curious, as to what material and/or design is recommended for a vehicle that will see about 25% off road usage on moderate trails, rocks, mud, and occasional snow.

The stock exhaust tip doesn't presently show. It is kept near the rear bumper at exit.

I'd like to see a tip (or dual tip) protruding, but I was wondering if this would radically affect the departure angle, and also be subjected to many impacts.

Also wondering if side or rear exhaust is preferred, and whether stainless steel is significantly more durable in a water/mud/snow environment than aluminized steel.

I'm inclined to go dual tip, side exit, stainless. Any suggestions would be appreciated.


'06 Commander Ltd, 5.7L Hemi, QDII, Midnight Blue, Gibson Exhaust, Raingler Net, K&N FIPK, Remote Start, Optima Yellow, Skid plates & Tow Hooks, Rocky Road 2.25 Lift, New Rear DT Shocks, 265/70R17 REVO's, 6061-T6 Custom Wheel Adapters, 4xGuard Rock Rails/Steps
'05 Land Rover LR3 SE
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post #2 of 13 Old 12-01-2005, 08:01 AM
ArloGuthroJeep
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The flatter the better so this doesn't happen:

As for the tip keep it away from the bumper slightly so when you do hit something it has room to flex. Of course sometimes it just doesn't flex enough and ya get some dents:


Go for stainless steel, will last much longer.

You never said what engine this will be fore, I assume the hemi? I wouldn't go dual tip for any engine but the hemi.

'04 WJ, 6" Clayton LA's, 242 SYE, 35" BFG MT KM2's, 4.56 gears, & D44a locked
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post #3 of 13 Old 12-01-2005, 10:54 PM Thread Starter
SYCOHEMI
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Thanks for the tips and photos.

This will be for the 5.7L HEMI.

Dual tips a possibility.

'06 Commander Ltd, 5.7L Hemi, QDII, Midnight Blue, Gibson Exhaust, Raingler Net, K&N FIPK, Remote Start, Optima Yellow, Skid plates & Tow Hooks, Rocky Road 2.25 Lift, New Rear DT Shocks, 265/70R17 REVO's, 6061-T6 Custom Wheel Adapters, 4xGuard Rock Rails/Steps
'05 Land Rover LR3 SE
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post #4 of 13 Old 12-02-2005, 01:34 PM
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hearders dual cats and a set of good mufflers. you cant go wrong with that.
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post #5 of 13 Old 12-22-2005, 10:12 PM
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Syco, what maker are you going with?
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post #6 of 13 Old 12-22-2005, 11:51 PM Thread Starter
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Gibson Performance completed the prototype exhaust on my Commander Limited. It is a single tip exiting out the rear. I had a problem posting pics.

It sounds absolutely crazy. Sounds really good as a matter of fact. A little on the loud side, but sounds very deep and throaty. It came out really nice.

'06 Commander Ltd, 5.7L Hemi, QDII, Midnight Blue, Gibson Exhaust, Raingler Net, K&N FIPK, Remote Start, Optima Yellow, Skid plates & Tow Hooks, Rocky Road 2.25 Lift, New Rear DT Shocks, 265/70R17 REVO's, 6061-T6 Custom Wheel Adapters, 4xGuard Rock Rails/Steps
'05 Land Rover LR3 SE
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post #7 of 13 Old 12-23-2005, 03:43 PM
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Any Pics ???

2000 WJ 4.0 I6 --> Daily Driver for past 7 year and love it.
BridgeStone Revos 265/70 R16
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post #8 of 13 Old 12-23-2005, 04:25 PM
ArloGuthroJeep
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Or a sound clip

'04 WJ, 6" Clayton LA's, 242 SYE, 35" BFG MT KM2's, 4.56 gears, & D44a locked
'14 WK2 Limited w/5.7L, ORAI, & Tow Package
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post #9 of 13 Old 12-23-2005, 11:34 PM Thread Starter
SYCOHEMI
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I'm having a problem getting my photos to upload into Photobucket.

I will try again later.

Happy Holidays All!

'06 Commander Ltd, 5.7L Hemi, QDII, Midnight Blue, Gibson Exhaust, Raingler Net, K&N FIPK, Remote Start, Optima Yellow, Skid plates & Tow Hooks, Rocky Road 2.25 Lift, New Rear DT Shocks, 265/70R17 REVO's, 6061-T6 Custom Wheel Adapters, 4xGuard Rock Rails/Steps
'05 Land Rover LR3 SE
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post #10 of 13 Old 12-26-2005, 01:09 PM Thread Starter
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http://i20.photobucket.com/albums/b2...I/IMG_9289.jpg

Okay, it took forever to upload, but here is the first picture showing a side view of the new exhaust.

'06 Commander Ltd, 5.7L Hemi, QDII, Midnight Blue, Gibson Exhaust, Raingler Net, K&N FIPK, Remote Start, Optima Yellow, Skid plates & Tow Hooks, Rocky Road 2.25 Lift, New Rear DT Shocks, 265/70R17 REVO's, 6061-T6 Custom Wheel Adapters, 4xGuard Rock Rails/Steps
'05 Land Rover LR3 SE
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post #11 of 13 Old 12-26-2005, 01:25 PM Thread Starter
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http://i20.photobucket.com/albums/b2...I/IMG_9288.jpg

Here's another photo of the exhaust tip.

'06 Commander Ltd, 5.7L Hemi, QDII, Midnight Blue, Gibson Exhaust, Raingler Net, K&N FIPK, Remote Start, Optima Yellow, Skid plates & Tow Hooks, Rocky Road 2.25 Lift, New Rear DT Shocks, 265/70R17 REVO's, 6061-T6 Custom Wheel Adapters, 4xGuard Rock Rails/Steps
'05 Land Rover LR3 SE
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post #12 of 13 Old 12-26-2005, 04:10 PM
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If yours is still a prototype, why not pick a standard size hole-saw, make the tip smaller than that, and supply a small stainless trim ring.

If there's clearance to get the pipe up behind the bumper, why not have it exit THROUGH the bumper. Looks different, and full clearance out back?
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post #13 of 13 Old 12-28-2005, 10:05 PM Thread Starter
SYCOHEMI
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That would be a great design.

Mine is a prototype for mass production. Not sure if the cutout would interfere with the rear parking distance sensors.

'06 Commander Ltd, 5.7L Hemi, QDII, Midnight Blue, Gibson Exhaust, Raingler Net, K&N FIPK, Remote Start, Optima Yellow, Skid plates & Tow Hooks, Rocky Road 2.25 Lift, New Rear DT Shocks, 265/70R17 REVO's, 6061-T6 Custom Wheel Adapters, 4xGuard Rock Rails/Steps
'05 Land Rover LR3 SE
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