Xpipe noise? - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Laybourne · 03-15-2012, 08:25 PM

Just bought a 2012 2SS 6.2 V8 auto trans. Just had flowmaster 40 series mufflers, removed the resonator and an Xpipe installed. Has anyone had any weird noises from the Xpipe? When cruising at a low rpm and the throttle is slightly pressed the exhaust sounds as if its loading up and it makes a gargled pitch noise then very quickly goes back to a normal sound. Any thoughts?? Anyone else hear this and is it normal?

Dertyboi · 03-15-2012, 10:17 PM

That's the AFM kicking in it drops it in to four cylinder mode
I did the resonator delete for a x pipe and it was horrible until tune it out

Laybourne · 03-15-2012, 10:56 PM

If I get rid of the xpipe and go to straight pipes will that get rid of the noise?

adamgl · 03-16-2012, 09:04 AM

Prob. not. Have to get rid of AFM. I did on mine and got better mileage after a tune with V8 all the time.

03-15-2012, 08:25 PM	#1
Laybourne Drives: 2012 Camaro 2SS Join Date: Mar 2012 Location: Chino CA Posts: 4	Xpipe noise? Just bought a 2012 2SS 6.2 V8 auto trans. Just had flowmaster 40 series mufflers, removed the resonator and an Xpipe installed. Has anyone had any weird noises from the Xpipe? When cruising at a low rpm and the throttle is slightly pressed the exhaust sounds as if its loading up and it makes a gargled pitch noise then very quickly goes back to a normal sound. Any thoughts?? Anyone else hear this and is it normal?

03-16-2012, 09:04 AM	#4
adamgl Drives: '98 Camaro Z28, '06 Z06 Join Date: Feb 2011 Location: Missouri Posts: 533	Prob. not. Have to get rid of AFM. I did on mine and got better mileage after a tune with V8 all the time. __________________ '10 Camaro 2SS/RS A6 Sold :( ARH, FM Super 44's, K&N CAI, ADM scoop, Diablo Tune, RX catch can. '98 Camaro Z28 M6 TSP headers, true duals, AIR/EGR/AC/muffler delete, CAI, Subframe con., shock tower brace, Stg. 2 T56 rebuild. Monster Clutch Stg. 2, Electric Water Pump, TT2 wheels, 315 NT555's '06 Z06 2LZ, Cam, P/P/M Heads, FAST Intake/TB, ARH, CAI, HP Clutch/FW, C5 Axles, Pfadt Coilovers/Poly Bushings, Carbon Fiber: Everything, lol. HID's, 360 Forged Spec 5's/Invo's, Custom Interior. 550 RWHP http://www.camaro5.com/forums/showthread.php?t=235911

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03-15-2012, 10:17 PM	#2
Dertyboi SS1 Drives: 2015 Camaro 1SS/RS Join Date: Jun 2011 Location: Paulding County, Ga Posts: 144	That's the AFM kicking in it drops it in to four cylinder mode I did the resonator delete for a x pipe and it was horrible until tune it out

03-15-2012, 10:56 PM	#3
Laybourne Drives: 2012 Camaro 2SS Join Date: Mar 2012 Location: Chino CA Posts: 4	If I get rid of the xpipe and go to straight pipes will that get rid of the noise?