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notransitory128 08-14-2011 09:02 PM

Straight Pipes
Anyone running straight pipes on their HEMI? I've heard some talk about backpressure and it not being good to run straights on a car. Any thoughts on this?

08Hemiwk 08-14-2011 09:27 PM

I deleted the resonator and put on a flowmaster. Sounds like a monster. I recommend just doing that

Ryan101505 08-15-2011 05:58 AM

Same here

Meden905 08-15-2011 12:22 PM


jager00 08-15-2011 12:46 PM

I've been running no muffler after the cats. No problems. Backs pressure is for old vehicles ... new ones have computers to compensate for it

notransitory128 08-15-2011 03:25 PM

jager- How does it sound?

jager00 08-15-2011 04:17 PM

I have therifle 4.7 sounds mean as ****! I started it up in the driveway today as a guy in a new tundra was driving by and he instantly was staring.

Plus you gain 1 mpg haha

notransitory128 08-15-2011 07:24 PM

I hope the 5.7 sounds just as good!!

AlecJohnson45 10-22-2013 09:39 PM

I want to straight pipe my 2012 Grand Cherokee 5.7 Hemi. Can someone who has done it before post pictures of how they did it and possibly a video to see how it sounds?

james_2k 10-23-2013 02:25 AM

look in the wk2 forum

Jeepforthewin 10-23-2013 02:43 AM

I'd be worried about drone more than anything!

ttusqrl 10-23-2013 07:09 AM

I'd like to put some cutouts/dumps to use every now and then. Anyone done this?

Jeepforthewin 10-23-2013 12:55 PM

Here's a YouTube clip of the 5.7L HEMI straight pipe. Not mine lol

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