Flowtech
OBS 88-91 CHEVY/GMC 2/4 WD
SKU: F00M 11508FLT
Description
Part #: 11508FLT
Flowtech headers are the perfect combination of performance and value. Flowtech shorty headers are precision engineered using mandrel bent tubing, formed collectors and 5/16" flanges with sealing rings for a leak-free seal. All mounting hardware and gaskets are included for a simple installation. This header is coated in a high heat resistant black paint for a stealthy appearance.
Features:
- Maximize exhaust pulse velocity for better performance
- Leak Test For Max Performance
- Mandrel-Formed Power Plenum
- Leakproof O-Ringed Port Seals
- Include All Mounting Hardware
- Constructed of .049 cold roll flash mild steel tubing
- Precision engineered for fitment, performance and efficiency
1988-1995 Chevy/GMC 1/2, 3/4 & 1-Ton Trucks 2WD & 4WD: 305-350, Tube Size 1.5", Collector Size 2.5"
Fitment
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
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Specifications
| Brand | Flowtech |
| Part Number | F00M 11508FLT |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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