25+ 1988 GMC G1500 Mufflers & Resonators Rally STX Parts

Rally STX · Mufflers & Resonators (25 products)

Exact-fit parts for the 1988 GMC G1500 Rally STX.

Magnaflow

Part # 94016

Confirmed Fit

MagnaFlow Conv Univ 2.5 W/Air FED

$137.00

Fel-Pro

Part # ES75102

Confirmed Fit

Fel-Pro Chevrolet K1500 ES 75102 Exhaust Flange Stud and Nut

$29.79

Magnaflow

Part # 334009

Confirmed Fit

MagnaFlow Conv Univ 3in T2 Rear

$219.00

Magnaflow

Part # 94009

Confirmed Fit

MagnaFlow Conv Univ 3

$129.00

Fel-Pro

Part # ES75119

Confirmed Fit

Fel-Pro Chevrolet K1500 ES 75119 Exhaust Manifold Hardware Kit

$43.21

SoundFX Direct Fit Exhaust Muffler 3" Inlet (ID) 3" Outlet (ID)

Walker Exhaust

Part # 18229

Fits with Conditions

SoundFX Direct Fit Exhaust Muffler 3" Inlet (ID) 3" Outlet (ID)

$55.28

MAHLE Original Acura Cl 99-97 Exhaust Gas Recirculation Valve Gasket

Victor Reinz

Part # G31178

Confirmed Fit

MAHLE Original Acura Cl 99-97 Exhaust Gas Recirculation Valve Gasket

$14.46

Fel-Pro

Part # 60718

Confirmed Fit

Fel-Pro Chevrolet C1500 Exhaust Pipe Flange Gasket

$9.42

Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (ID)

Walker Exhaust

Part # 22171

Fits with Conditions

Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (ID)

$91.62

SoundFX Universal Universal Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (ID)

Walker Exhaust

Part # 18177

Fits with Conditions

SoundFX Universal Universal Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (ID)

$43.24

Magnaflow

Part # 3391476

Confirmed Fit

Magnaflow 87-95 GM Truck 4.3/5.7 CA Direct Fit Converter

$995.00

Magnaflow

Part # 93476

Confirmed Fit

MagnaFlow Conv DF Gm

$296.00

Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (ID)

Walker Exhaust

Part # 22512

Fits with Conditions

Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (ID)

$74.34

Magnaflow

Part # 333006

Confirmed Fit

MagnaFlow Conv Universal 2.5 inch T2 Front

$368.00

Magnaflow

Part # 3391432

Confirmed Fit

MagnaFlow Conv DF 1994 GMA G3500 V6 4.3L

$1158.00

SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (ID)

Walker Exhaust

Part # 18337

Fits with Conditions

SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (ID)

$53.38

Fel-Pro

Part # 60584

Confirmed Fit

Fel-Pro Chevrolet K1500 Exhaust Pipe Flange Gasket

$10.96

Magnaflow

Part # 339106

Confirmed Fit

MagnaFlow Conv Universal 2.5in Inlet 2.5in Outlet 16in Length

$523.00

Magnaflow

Part # 334006

Confirmed Fit

MagnaFlow Conv Univ 2.5inch T2 Rear

$219.00

Fel-Pro

Part # ES75103

Confirmed Fit

Fel-Pro Chevrolet K1500 ES 75103 Exhaust Flange Stud and Nut

$29.98

Frequently Asked Questions

Do these parts fit my 1988 GMC G1500 Rally STX?

This page groups parts listed for the 1988 GMC G1500 Rally STX. Some products fit every trim, while others depend on submodel, engine, drivetrain, or brake package. Use your trim in My Garage or the product page fitment check to confirm exact fit.

What mufflers & resonators options are available for my 1988 GMC G1500 Rally STX?

We offer a wide selection of mufflers & resonators parts for the 1988 GMC G1500 Rally STX. This page narrows the catalog to the year, make, and model; use your trim on product pages to confirm exact fit when a part only fits certain submodels.

What brands make parts for the 1988 GMC G1500 Rally STX?

We carry parts from trusted brands including Magnaflow, Fel-Pro, Walker Exhaust, and Victor Reinz, plus many more. Filter by brand to find your preferred manufacturer.

How fast do 1988 GMC G1500 Rally STX parts ship?

Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.

What warranty do your 1988 GMC G1500 Rally STX parts come with?

Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.

1988 GMC G1500(3,177 parts)

Shop by Problem

Other GMC G1500 Years

1988 GMC G1500(3,177 parts)

Shop by Problem

Other GMC G1500 Years

Rally STX · Mufflers & Resonators (25 products)

MagnaFlow Conv Univ 2.5 W/Air FED

Fel-Pro Chevrolet K1500 ES 75102 Exhaust Flange Stud and Nut

MagnaFlow Conv Univ 3in T2 Rear

MagnaFlow Conv Univ 3

Fel-Pro Chevrolet K1500 ES 75119 Exhaust Manifold Hardware Kit

SoundFX Direct Fit Exhaust Muffler 3" Inlet (ID) 3" Outlet (ID)

MAHLE Original Acura Cl 99-97 Exhaust Gas Recirculation Valve Gasket

Fel-Pro Chevrolet C1500 Exhaust Pipe Flange Gasket

Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (ID)

SoundFX Universal Universal Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (ID)

Magnaflow 87-95 GM Truck 4.3/5.7 CA Direct Fit Converter

MagnaFlow Conv DF Gm

Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (ID)

MagnaFlow Conv Universal 2.5 inch T2 Front

MagnaFlow Conv DF 1994 GMA G3500 V6 4.3L

SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (ID)

Fel-Pro Chevrolet K1500 Exhaust Pipe Flange Gasket

MagnaFlow Conv Universal 2.5in Inlet 2.5in Outlet 16in Length

MagnaFlow Conv Univ 2.5inch T2 Rear

Fel-Pro Chevrolet K1500 ES 75103 Exhaust Flange Stud and Nut

Frequently Asked Questions

Do these parts fit my 1988 GMC G1500 Rally STX?

What mufflers & resonators options are available for my 1988 GMC G1500 Rally STX?

What brands make parts for the 1988 GMC G1500 Rally STX?

How fast do 1988 GMC G1500 Rally STX parts ship?

What warranty do your 1988 GMC G1500 Rally STX parts come with?