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1989 Formula 350 with GMMG 3" Catback Exhaust Clip 3 of 4
This is my 1989 Pontiac Formula 350 with T56 6 speed swap, 3.45 gears, SLP headers, 3" Y Pipe and 3" GMMG Catback. It has a 355 ci roller motor with Trick Flow heads, SLP .495 .502 218 220 112 cam, and MiniRam intake. I know the video quality isnt the best, but this video is so you can hear the Exhaust on a Gen 1 Small block.

1989 Firebird Formula 350 fresh custom L98, GMMG exhaust and more.
This is how my car now sounds 5-10-09. Just installed a new 355 L98 with 10.5:1, AFR Eliminators, Lloyd Elliot cam (223 230 .535 .535 109LSA) and a TPIS Miniram. Just installed a new McLeod clutch, "Dyno Don" headers and y pipe, and a fresh rebuild on my 9 bolt rear including new bearings, posi cones, and 4.11 gears. This car is not tuned, hence the crap out of the Exhaust. I was not able to get video of the Dyno runs but the numbers were 370rwhp @ 6200rpm and 350rwtq at 4800 rpm. Not too bad for now :-D

1989 Formula 350 with GMMG 3" Catback Exhaust Clip 1 of 4
This is my 1989 Pontiac Formula 350 with T56 6 speed swap, 3.45 gears, SLP headers, 3" Y Pipe and 3" GMMG Catback. It has a 355 ci roller motor with Trick Flow heads, SLP .495 .502 218 220 112 cam, and MiniRam intake. I know the video quality isnt the best, but this video is so you can hear the Exhaust on a Gen 1 Small block.

Firebird Formula
Another short vintage clip of my 1989 Formula 350 in the Crest.

Pontiac Firebird Trans Am
1999 5.7L 310HP

1989 trans am gta 350 TPI reving gmmg
i love the way the car sounds my exhuast system goes stock manifolds to aftermarket y pipe high flow cat to gmmg Exhaust system.

1992 Camaro Z28 350 TPI with GMMG exhaust, Edelbrock Intake manifold, runners, and headers.
Here is a video of a cold start up idle , then rev to about 3500 rpm. MUCH much louder in person, well worth the $750 for full stainless from intermediate pipe to tips! GREAT investment.

Camaro SS GMMG idle and revs
american racing LT's with a GMMG catback skip to 1:15 and listen through the end to hear the revs

My 1989 Pontiac Firebird Formula 350 WS6
A short collage of photos and videos of my Formula 350 WS6 through the years.

88 Iroc
My 88 Iroc with GMMG catback, Edelbrock TES Tubular headers and cat delete.

Trans am..Overhauled...
Trans am make-over Check out my Cammed 2010 Chevy Camaro SS here: http://youtu.be/8J-mDaV7KVk

GMMG Exhaust
Pacesetter LT, No cats, GMMG chambered Exhaust

1989 Camaro IROCZ 350 TPI 3"Flowmasters***
Quick lil burnout at chevron****

1989 Firebird Formula 350 425hp L98, T56, Magnaflow exhaust and more!
This is how my car now sounds 8-27-10. My car has a new 355 L98 with 10.5:1, AFR Eliminators, Lloyd Elliot cam (223 230 .535 .535 109LSA) and a TPIS Miniram. It runs flawlessly thanks to the OBDII PCM swap. Just installed a new McLeod clutch, "Dyno Don" headers and y pipe, and a fresh rebuild on my 9 bolt rear including new bearings, posi cones, and 4.11 gears. This car is tuned, but is cold, hence the crap out of the Exhaust. I was not able to get video of the Dyno runs but the numbers were 370rwhp @ 6200rpm and 350rwtq at 4800 rpm. Not too bad for now :-D

Powerstick aka gmmg exhaust clip
Quick part throttle drive by. 355 TBI engine, lt1 cam